Library of Congress Classification
type: ConceptScheme
definition: A broad archive-local SKOS encoding of the Library of Congress Classification outline. This scheme is retained as a secondary external taxonomy; UDC is the archive root spine.
source: lcco
modified: 2026-06-08

General Works
type: Concept
in scheme: Library of Congress Classification
notation: A
definition: General reference, bibliography-adjacent works, periodicals, newspapers, societies, museums, and the history of scholarship.
keyword id: general-reference
alternative label: General reference
hidden label: encyclopedias
hidden label: dictionaries
hidden label: indexes
hidden label: periodicals
top concept of: Library of Congress Classification
narrower: Collections. Series. Collected works
narrower: Encyclopedias
narrower: Dictionaries and other general reference works
narrower: Indexes
narrower: Museums. Collectors and collecting
narrower: Newspapers
narrower: Periodicals
narrower: Academies and learned societies
narrower: Yearbooks. Almanacs. Directories
narrower: History of scholarship and learning. The humanities

Collections. Series. Collected works
type: Concept
in scheme: Library of Congress Classification
notation: AC
broader: General Works

Encyclopedias
type: Concept
in scheme: Library of Congress Classification
notation: AE
broader: General Works

Dictionaries and other general reference works
type: Concept
in scheme: Library of Congress Classification
notation: AG
broader: General Works

Indexes
type: Concept
in scheme: Library of Congress Classification
notation: AI
broader: General Works

Museums. Collectors and collecting
type: Concept
in scheme: Library of Congress Classification
notation: AM
broader: General Works

Newspapers
type: Concept
in scheme: Library of Congress Classification
notation: AN
broader: General Works

Periodicals
type: Concept
in scheme: Library of Congress Classification
notation: AP
broader: General Works

Academies and learned societies
type: Concept
in scheme: Library of Congress Classification
notation: AS
broader: General Works

Yearbooks. Almanacs. Directories
type: Concept
in scheme: Library of Congress Classification
notation: AY
broader: General Works

History of scholarship and learning. The humanities
type: Concept
in scheme: Library of Congress Classification
notation: AZ
broader: General Works

Philosophy. Psychology. Religion
type: Concept
in scheme: Library of Congress Classification
notation: B
definition: Philosophy, logic, psychology, ethics, aesthetics, comparative religion, and major religious traditions.
keyword id: philosophy-religion
alternative label: Philosophy and religion
hidden label: philosophy
hidden label: psychology
hidden label: religion
hidden label: ethics
keyword id: philosophy
alternative label: Philosophy
keyword id: religion
alternative label: Religion
top concept of: Library of Congress Classification
narrower: Philosophy (General)
narrower: Logic
narrower: Speculative philosophy
narrower: Psychology
narrower: Aesthetics
narrower: Ethics
narrower: Religions. Mythology. Rationalism
narrower: Judaism
narrower: Islam. Bahaism. Theosophy, etc.
narrower: Buddhism
narrower: Christianity
narrower: The Bible
narrower: Doctrinal theology
narrower: Practical theology
narrower: Christian denominations

Philosophy (General)
type: Concept
in scheme: Library of Congress Classification
notation: B
broader: Philosophy. Psychology. Religion

Logic
type: Concept
in scheme: Library of Congress Classification
notation: BC
broader: Philosophy. Psychology. Religion

Speculative philosophy
type: Concept
in scheme: Library of Congress Classification
notation: BD
broader: Philosophy. Psychology. Religion

Psychology
type: Concept
in scheme: Library of Congress Classification
notation: BF
keyword id: psychology
broader: Philosophy. Psychology. Religion

Aesthetics
type: Concept
in scheme: Library of Congress Classification
notation: BH
broader: Philosophy. Psychology. Religion

Ethics
type: Concept
in scheme: Library of Congress Classification
notation: BJ
broader: Philosophy. Psychology. Religion

Religions. Mythology. Rationalism
type: Concept
in scheme: Library of Congress Classification
notation: BL
broader: Philosophy. Psychology. Religion

Judaism
type: Concept
in scheme: Library of Congress Classification
notation: BM
broader: Philosophy. Psychology. Religion

Islam. Bahaism. Theosophy, etc.
type: Concept
in scheme: Library of Congress Classification
notation: BP
broader: Philosophy. Psychology. Religion

Buddhism
type: Concept
in scheme: Library of Congress Classification
notation: BQ
broader: Philosophy. Psychology. Religion

Christianity
type: Concept
in scheme: Library of Congress Classification
notation: BR
broader: Philosophy. Psychology. Religion

The Bible
type: Concept
in scheme: Library of Congress Classification
notation: BS
broader: Philosophy. Psychology. Religion

Doctrinal theology
type: Concept
in scheme: Library of Congress Classification
notation: BT
broader: Philosophy. Psychology. Religion

Practical theology
type: Concept
in scheme: Library of Congress Classification
notation: BV
broader: Philosophy. Psychology. Religion

Christian denominations
type: Concept
in scheme: Library of Congress Classification
notation: BX
broader: Philosophy. Psychology. Religion

Auxiliary Sciences of History
type: Concept
in scheme: Library of Congress Classification
notation: C
definition: Historical methods and supporting disciplines such as archaeology, chronology, genealogy, biography, numismatics, and heraldry.
keyword id: historical-methods
alternative label: Historical methods
hidden label: archaeology
hidden label: genealogy
hidden label: biography
hidden label: chronology
top concept of: Library of Congress Classification
narrower: Auxiliary sciences of history (General)
narrower: History of civilization
narrower: Archaeology
narrower: Diplomatics. Archives. Seals
narrower: Technical chronology. Calendar
narrower: Numismatics
narrower: Inscriptions. Epigraphy
narrower: Heraldry
narrower: Genealogy
narrower: Biography

Auxiliary sciences of history (General)
type: Concept
in scheme: Library of Congress Classification
notation: C
broader: Auxiliary Sciences of History

History of civilization
type: Concept
in scheme: Library of Congress Classification
notation: CB
broader: Auxiliary Sciences of History

Archaeology
type: Concept
in scheme: Library of Congress Classification
notation: CC
broader: Auxiliary Sciences of History

Diplomatics. Archives. Seals
type: Concept
in scheme: Library of Congress Classification
notation: CD
broader: Auxiliary Sciences of History

Technical chronology. Calendar
type: Concept
in scheme: Library of Congress Classification
notation: CE
broader: Auxiliary Sciences of History

Numismatics
type: Concept
in scheme: Library of Congress Classification
notation: CJ
broader: Auxiliary Sciences of History

Inscriptions. Epigraphy
type: Concept
in scheme: Library of Congress Classification
notation: CN
broader: Auxiliary Sciences of History

Heraldry
type: Concept
in scheme: Library of Congress Classification
notation: CR
broader: Auxiliary Sciences of History

Genealogy
type: Concept
in scheme: Library of Congress Classification
notation: CS
broader: Auxiliary Sciences of History

Biography
type: Concept
in scheme: Library of Congress Classification
notation: CT
broader: Auxiliary Sciences of History

World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.
type: Concept
in scheme: Library of Congress Classification
notation: D
definition: General world history and regional histories outside the Americas.
keyword id: world-history
alternative label: World history
hidden label: history
hidden label: Europe
hidden label: Asia
hidden label: Africa
hidden label: Oceania
top concept of: Library of Congress Classification
narrower: History (General)
narrower: Great Britain
narrower: Central Europe
narrower: Austria. Liechtenstein. Hungary. Czechoslovakia
narrower: France. Andorra. Monaco
narrower: Germany
narrower: The Greco-Roman World
narrower: Greece
narrower: Italy. Malta
narrower: Low Countries. Benelux Countries
narrower: Netherlands
narrower: Eastern Europe
narrower: Russia. Soviet Union. Former Soviet Republics. Poland
narrower: Northern Europe. Scandinavia
narrower: Spain. Portugal
narrower: Switzerland
narrower: Balkan Peninsula
narrower: Asia
narrower: Africa
narrower: Oceania. Australia. New Zealand. Pacific Islands
narrower: Roma

History (General)
type: Concept
in scheme: Library of Congress Classification
notation: D
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Great Britain
type: Concept
in scheme: Library of Congress Classification
notation: DA
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Central Europe
type: Concept
in scheme: Library of Congress Classification
notation: DAW
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Austria. Liechtenstein. Hungary. Czechoslovakia
type: Concept
in scheme: Library of Congress Classification
notation: DB
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

France. Andorra. Monaco
type: Concept
in scheme: Library of Congress Classification
notation: DC
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Germany
type: Concept
in scheme: Library of Congress Classification
notation: DD
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

The Greco-Roman World
type: Concept
in scheme: Library of Congress Classification
notation: DE
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Greece
type: Concept
in scheme: Library of Congress Classification
notation: DF
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Italy. Malta
type: Concept
in scheme: Library of Congress Classification
notation: DG
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Low Countries. Benelux Countries
type: Concept
in scheme: Library of Congress Classification
notation: DH
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Netherlands
type: Concept
in scheme: Library of Congress Classification
notation: DJ
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Eastern Europe
type: Concept
in scheme: Library of Congress Classification
notation: DJK
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Russia. Soviet Union. Former Soviet Republics. Poland
type: Concept
in scheme: Library of Congress Classification
notation: DK
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Northern Europe. Scandinavia
type: Concept
in scheme: Library of Congress Classification
notation: DL
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Spain. Portugal
type: Concept
in scheme: Library of Congress Classification
notation: DP
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Switzerland
type: Concept
in scheme: Library of Congress Classification
notation: DQ
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Balkan Peninsula
type: Concept
in scheme: Library of Congress Classification
notation: DR
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Asia
type: Concept
in scheme: Library of Congress Classification
notation: DS
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Africa
type: Concept
in scheme: Library of Congress Classification
notation: DT
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Oceania. Australia. New Zealand. Pacific Islands
type: Concept
in scheme: Library of Congress Classification
notation: DU
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

Roma
type: Concept
in scheme: Library of Congress Classification
notation: DX
broader: World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

History of the Americas
type: Concept
in scheme: Library of Congress Classification
notation: E-F
definition: General history of the Americas, United States history, and local history across the Americas.
keyword id: american-history
alternative label: American history
hidden label: Americas
hidden label: United States
hidden label: Canada
hidden label: Latin America
top concept of: Library of Congress Classification
narrower: America. United States
narrower: Local history of the Americas

America. United States
type: Concept
in scheme: Library of Congress Classification
notation: E
broader: History of the Americas

Local history of the Americas
type: Concept
in scheme: Library of Congress Classification
notation: F
broader: History of the Americas

Geography. Anthropology. Recreation
type: Concept
in scheme: Library of Congress Classification
notation: G
definition: Geography, cartography, environmental sciences, anthropology, folklore, customs, recreation, and leisure.
keyword id: place-and-culture
alternative label: Place and culture
hidden label: geography
hidden label: maps
hidden label: anthropology
hidden label: recreation
top concept of: Library of Congress Classification
narrower: Geography (General). Atlases. Maps
narrower: Mathematical geography. Cartography
narrower: Physical geography
narrower: Oceanography
narrower: Environmental sciences
narrower: Human ecology. Anthropogeography
narrower: Anthropology
narrower: Folklore
narrower: Manners and customs
narrower: Recreation. Leisure

Geography (General). Atlases. Maps
type: Concept
in scheme: Library of Congress Classification
notation: G
keyword id: geography
alternative label: Geography
broader: Geography. Anthropology. Recreation

Mathematical geography. Cartography
type: Concept
in scheme: Library of Congress Classification
notation: GA
broader: Geography. Anthropology. Recreation

Physical geography
type: Concept
in scheme: Library of Congress Classification
notation: GB
broader: Geography. Anthropology. Recreation

Oceanography
type: Concept
in scheme: Library of Congress Classification
notation: GC
broader: Geography. Anthropology. Recreation

Environmental sciences
type: Concept
in scheme: Library of Congress Classification
notation: GE
broader: Geography. Anthropology. Recreation

Human ecology. Anthropogeography
type: Concept
in scheme: Library of Congress Classification
notation: GF
broader: Geography. Anthropology. Recreation

Anthropology
type: Concept
in scheme: Library of Congress Classification
notation: GN
keyword id: anthropology
broader: Geography. Anthropology. Recreation

Folklore
type: Concept
in scheme: Library of Congress Classification
notation: GR
broader: Geography. Anthropology. Recreation

Manners and customs
type: Concept
in scheme: Library of Congress Classification
notation: GT
broader: Geography. Anthropology. Recreation

Recreation. Leisure
type: Concept
in scheme: Library of Congress Classification
notation: GV
broader: Geography. Anthropology. Recreation

Social Sciences
type: Concept
in scheme: Library of Congress Classification
notation: H
definition: Statistics, economics, sociology, social history, commerce, finance, public finance, welfare, criminology, and political-economic movements.
keyword id: social-sciences
alternative label: Social sciences
hidden label: economics
hidden label: sociology
hidden label: commerce
hidden label: finance
hidden label: social welfare
top concept of: Library of Congress Classification
narrower: Social sciences (General)
narrower: Statistics
narrower: Economic theory. Demography
narrower: Economic history and conditions
narrower: Industries. Land use. Labor
narrower: Transportation and communications
narrower: Commerce
narrower: Finance
narrower: Public finance
narrower: Sociology (General)
narrower: Social history and conditions. Social problems. Social reform
narrower: The family. Marriage. Women
narrower: Societies: secret, benevolent, etc.
narrower: Communities. Classes. Races
narrower: Social pathology. Social and public welfare. Criminology
narrower: Socialism. Communism. Anarchism

Social sciences (General)
type: Concept
in scheme: Library of Congress Classification
notation: H
broader: Social Sciences

Statistics
type: Concept
in scheme: Library of Congress Classification
notation: HA
broader: Social Sciences

Economic theory. Demography
type: Concept
in scheme: Library of Congress Classification
notation: HB
broader: Social Sciences

Economic history and conditions
type: Concept
in scheme: Library of Congress Classification
notation: HC
broader: Social Sciences

Industries. Land use. Labor
type: Concept
in scheme: Library of Congress Classification
notation: HD
broader: Social Sciences

Transportation and communications
type: Concept
in scheme: Library of Congress Classification
notation: HE
broader: Social Sciences

Commerce
type: Concept
in scheme: Library of Congress Classification
notation: HF
broader: Social Sciences

Finance
type: Concept
in scheme: Library of Congress Classification
notation: HG
broader: Social Sciences

Public finance
type: Concept
in scheme: Library of Congress Classification
notation: HJ
broader: Social Sciences

Sociology (General)
type: Concept
in scheme: Library of Congress Classification
notation: HM
keyword id: sociology
alternative label: Sociology
broader: Social Sciences

Social history and conditions. Social problems. Social reform
type: Concept
in scheme: Library of Congress Classification
notation: HN
broader: Social Sciences

The family. Marriage. Women
type: Concept
in scheme: Library of Congress Classification
notation: HQ
broader: Social Sciences

Societies: secret, benevolent, etc.
type: Concept
in scheme: Library of Congress Classification
notation: HS
broader: Social Sciences

Communities. Classes. Races
type: Concept
in scheme: Library of Congress Classification
notation: HT
broader: Social Sciences

Social pathology. Social and public welfare. Criminology
type: Concept
in scheme: Library of Congress Classification
notation: HV
broader: Social Sciences

Socialism. Communism. Anarchism
type: Concept
in scheme: Library of Congress Classification
notation: HX
broader: Social Sciences

Political Science
type: Concept
in scheme: Library of Congress Classification
notation: J
definition: Political theory, public administration, political institutions, local government, migration, and international relations.
keyword id: politics-government
alternative label: Politics and government
hidden label: political science
hidden label: government
hidden label: public administration
hidden label: international relations
keyword id: politics
alternative label: Politics
top concept of: Library of Congress Classification
narrower: General legislative and executive papers
narrower: Political science (General)
narrower: Political theory
narrower: Political institutions and public administration
narrower: Local government. Municipal government
narrower: Colonies and colonization. Emigration and immigration. International migration
narrower: International relations

General legislative and executive papers
type: Concept
in scheme: Library of Congress Classification
notation: J
broader: Political Science

Political science (General)
type: Concept
in scheme: Library of Congress Classification
notation: JA
broader: Political Science

Political theory
type: Concept
in scheme: Library of Congress Classification
notation: JC
broader: Political Science

Political institutions and public administration
type: Concept
in scheme: Library of Congress Classification
notation: JF-JQ
broader: Political Science

Local government. Municipal government
type: Concept
in scheme: Library of Congress Classification
notation: JS
broader: Political Science

Colonies and colonization. Emigration and immigration. International migration
type: Concept
in scheme: Library of Congress Classification
notation: JV
broader: Political Science

International relations
type: Concept
in scheme: Library of Congress Classification
notation: JZ
broader: Political Science

Law
type: Concept
in scheme: Library of Congress Classification
notation: K
definition: General, comparative, religious, national, regional, and international law.
keyword id: law
hidden label: legal systems
hidden label: jurisprudence
hidden label: religious law
hidden label: international law
top concept of: Library of Congress Classification
narrower: Law in general. Comparative and uniform law. Jurisprudence
narrower: Religious law in general. Comparative religious law
narrower: Jewish law
narrower: Islamic law
narrower: History of canon law
narrower: Law of the Roman Catholic Church. The Holy See
narrower: United Kingdom and Ireland
narrower: America. North America
narrower: Canada
narrower: United States
narrower: Latin America. Mexico and Central America. West Indies. Caribbean area
narrower: South America
narrower: Europe
narrower: Asia and Eurasia, Africa, Pacific Area, and Antarctica
narrower: Law of nations

Law in general. Comparative and uniform law. Jurisprudence
type: Concept
in scheme: Library of Congress Classification
notation: K
broader: Law

Religious law in general. Comparative religious law
type: Concept
in scheme: Library of Congress Classification
notation: KB
broader: Law

Jewish law
type: Concept
in scheme: Library of Congress Classification
notation: KBM
broader: Law

Islamic law
type: Concept
in scheme: Library of Congress Classification
notation: KBP
broader: Law

History of canon law
type: Concept
in scheme: Library of Congress Classification
notation: KBR
broader: Law

Law of the Roman Catholic Church. The Holy See
type: Concept
in scheme: Library of Congress Classification
notation: KBU
broader: Law

United Kingdom and Ireland
type: Concept
in scheme: Library of Congress Classification
notation: KD-KDK
broader: Law

America. North America
type: Concept
in scheme: Library of Congress Classification
notation: KDZ
broader: Law

Canada
type: Concept
in scheme: Library of Congress Classification
notation: KE
broader: Law

United States
type: Concept
in scheme: Library of Congress Classification
notation: KF
broader: Law

Latin America. Mexico and Central America. West Indies. Caribbean area
type: Concept
in scheme: Library of Congress Classification
notation: KG
broader: Law

South America
type: Concept
in scheme: Library of Congress Classification
notation: KH
broader: Law

Europe
type: Concept
in scheme: Library of Congress Classification
notation: KJ-KKZ
broader: Law

Asia and Eurasia, Africa, Pacific Area, and Antarctica
type: Concept
in scheme: Library of Congress Classification
notation: KL-KWX
broader: Law

Law of nations
type: Concept
in scheme: Library of Congress Classification
notation: KZ
broader: Law

Education
type: Concept
in scheme: Library of Congress Classification
notation: L
definition: History, theory, practice, institutions, special aspects, student life, and textbooks.
keyword id: education
hidden label: schools
hidden label: teaching
hidden label: pedagogy
hidden label: textbooks
top concept of: Library of Congress Classification
narrower: Education (General)
narrower: History of education
narrower: Theory and practice of education
narrower: Special aspects of education
narrower: Individual institutions: United States
narrower: Individual institutions: America except United States
narrower: Individual institutions: Europe
narrower: Individual institutions: Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands
narrower: College and school magazines and papers
narrower: Student fraternities and societies
narrower: Textbooks

Education (General)
type: Concept
in scheme: Library of Congress Classification
notation: L
broader: Education

History of education
type: Concept
in scheme: Library of Congress Classification
notation: LA
broader: Education

Theory and practice of education
type: Concept
in scheme: Library of Congress Classification
notation: LB
broader: Education

Special aspects of education
type: Concept
in scheme: Library of Congress Classification
notation: LC
broader: Education

Individual institutions: United States
type: Concept
in scheme: Library of Congress Classification
notation: LD
broader: Education

Individual institutions: America except United States
type: Concept
in scheme: Library of Congress Classification
notation: LE
broader: Education

Individual institutions: Europe
type: Concept
in scheme: Library of Congress Classification
notation: LF
broader: Education

Individual institutions: Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands
type: Concept
in scheme: Library of Congress Classification
notation: LG
broader: Education

College and school magazines and papers
type: Concept
in scheme: Library of Congress Classification
notation: LH
broader: Education

Student fraternities and societies
type: Concept
in scheme: Library of Congress Classification
notation: LJ
broader: Education

Textbooks
type: Concept
in scheme: Library of Congress Classification
notation: LT
broader: Education

Music and Books on Music
type: Concept
in scheme: Library of Congress Classification
notation: M
definition: Musical works, literature on music, music history and criticism, and musical instruction.
keyword id: music
alternative label: Music
hidden label: scores
hidden label: music history
hidden label: music criticism
hidden label: music instruction
top concept of: Library of Congress Classification
narrower: Music
narrower: Literature on music
narrower: Musical instruction and study

Music
type: Concept
in scheme: Library of Congress Classification
notation: M
broader: Music and Books on Music

Literature on music
type: Concept
in scheme: Library of Congress Classification
notation: ML
broader: Music and Books on Music

Musical instruction and study
type: Concept
in scheme: Library of Congress Classification
notation: MT
broader: Music and Books on Music

Fine Arts
type: Concept
in scheme: Library of Congress Classification
notation: N
definition: Visual arts, architecture, sculpture, drawing, painting, print media, decorative arts, and arts in general.
keyword id: visual-arts
alternative label: Visual arts
hidden label: fine arts
hidden label: architecture
hidden label: painting
hidden label: sculpture
hidden label: decorative arts
top concept of: Library of Congress Classification
narrower: Visual arts
narrower: Architecture
narrower: Sculpture
narrower: Drawing. Design. Illustration
narrower: Painting
narrower: Print media
narrower: Decorative arts
narrower: Arts in general

Visual arts
type: Concept
in scheme: Library of Congress Classification
notation: N
broader: Fine Arts

Architecture
type: Concept
in scheme: Library of Congress Classification
notation: NA
broader: Fine Arts

Sculpture
type: Concept
in scheme: Library of Congress Classification
notation: NB
broader: Fine Arts

Drawing. Design. Illustration
type: Concept
in scheme: Library of Congress Classification
notation: NC
broader: Fine Arts

Painting
type: Concept
in scheme: Library of Congress Classification
notation: ND
broader: Fine Arts

Print media
type: Concept
in scheme: Library of Congress Classification
notation: NE
broader: Fine Arts

Decorative arts
type: Concept
in scheme: Library of Congress Classification
notation: NK
broader: Fine Arts

Arts in general
type: Concept
in scheme: Library of Congress Classification
notation: NX
broader: Fine Arts

Language and Literature
type: Concept
in scheme: Library of Congress Classification
notation: P
definition: Philology, linguistics, language families, national literatures, and general literary study.
keyword id: language-literature
alternative label: Language and literature
hidden label: linguistics
hidden label: philology
hidden label: literature
hidden label: languages
keyword id: language
alternative label: Language
keyword id: literature
alternative label: Literature
top concept of: Library of Congress Classification
narrower: Philology. Linguistics
narrower: Greek language and literature. Latin language and literature
narrower: Modern European languages. Celtic languages
narrower: Romanic languages
narrower: Germanic languages. Scandinavian languages
narrower: English language
narrower: West Germanic languages
narrower: Slavic languages and literatures. Baltic languages. Albanian language
narrower: Uralic languages. Basque language
narrower: Oriental languages and literatures
narrower: Indo-Iranian languages and literatures
narrower: Languages and literatures of Eastern Asia, Africa, Oceania
narrower: Hyperborean, Native American, and artificial languages
narrower: Literature (General)
narrower: French literature. Italian literature. Spanish literature. Portuguese literature
narrower: English literature
narrower: American literature
narrower: German literature. Dutch literature. Flemish literature. Scandinavian literature
narrower: Fiction and juvenile belles lettres

Philology. Linguistics
type: Concept
in scheme: Library of Congress Classification
notation: P
keyword id: linguistics
alternative label: Linguistics
broader: Language and Literature

Greek language and literature. Latin language and literature
type: Concept
in scheme: Library of Congress Classification
notation: PA
broader: Language and Literature

Modern European languages. Celtic languages
type: Concept
in scheme: Library of Congress Classification
notation: PB
broader: Language and Literature

Romanic languages
type: Concept
in scheme: Library of Congress Classification
notation: PC
broader: Language and Literature

Germanic languages. Scandinavian languages
type: Concept
in scheme: Library of Congress Classification
notation: PD
broader: Language and Literature

English language
type: Concept
in scheme: Library of Congress Classification
notation: PE
broader: Language and Literature

West Germanic languages
type: Concept
in scheme: Library of Congress Classification
notation: PF
broader: Language and Literature

Slavic languages and literatures. Baltic languages. Albanian language
type: Concept
in scheme: Library of Congress Classification
notation: PG
broader: Language and Literature

Uralic languages. Basque language
type: Concept
in scheme: Library of Congress Classification
notation: PH
broader: Language and Literature

Oriental languages and literatures
type: Concept
in scheme: Library of Congress Classification
notation: PJ
broader: Language and Literature

Indo-Iranian languages and literatures
type: Concept
in scheme: Library of Congress Classification
notation: PK
broader: Language and Literature

Languages and literatures of Eastern Asia, Africa, Oceania
type: Concept
in scheme: Library of Congress Classification
notation: PL
broader: Language and Literature

Hyperborean, Native American, and artificial languages
type: Concept
in scheme: Library of Congress Classification
notation: PM
broader: Language and Literature

Literature (General)
type: Concept
in scheme: Library of Congress Classification
notation: PN
broader: Language and Literature

French literature. Italian literature. Spanish literature. Portuguese literature
type: Concept
in scheme: Library of Congress Classification
notation: PQ
broader: Language and Literature

English literature
type: Concept
in scheme: Library of Congress Classification
notation: PR
broader: Language and Literature

American literature
type: Concept
in scheme: Library of Congress Classification
notation: PS
broader: Language and Literature

German literature. Dutch literature. Flemish literature. Scandinavian literature
type: Concept
in scheme: Library of Congress Classification
notation: PT
broader: Language and Literature

Fiction and juvenile belles lettres
type: Concept
in scheme: Library of Congress Classification
notation: PZ
broader: Language and Literature

Science
type: Concept
in scheme: Library of Congress Classification
notation: Q
definition: General science, mathematics, astronomy, physics, chemistry, geology, biology, botany, zoology, anatomy, physiology, and microbiology.
keyword id: science
hidden label: mathematics
hidden label: physics
hidden label: chemistry
hidden label: biology
hidden label: astronomy
top concept of: Library of Congress Classification
narrower: Science (General)
narrower: Mathematics
narrower: Astronomy
narrower: Physics
narrower: Chemistry
narrower: Geology
narrower: Natural history. Biology
narrower: Botany
narrower: Zoology
narrower: Human anatomy
narrower: Physiology
narrower: Microbiology

Science (General)
type: Concept
in scheme: Library of Congress Classification
notation: Q
broader: Science

Mathematics
type: Concept
in scheme: Library of Congress Classification
notation: QA
keyword id: mathematics
broader: Science
narrower: General mathematics
narrower: Tables
narrower: Instruments and machines
narrower: Electronic computers. Computer science
narrower: Computer software
narrower: Elementary mathematics. Arithmetic
narrower: Algebra
narrower: Probabilities. Mathematical statistics
narrower: Analysis
narrower: Geometry. Trigonometry. Topology
narrower: Analytic mechanics

General mathematics
type: Concept
in scheme: Library of Congress Classification
notation: QA1-43
broader: Mathematics

Tables
type: Concept
in scheme: Library of Congress Classification
notation: QA47-59
broader: Mathematics

Instruments and machines
type: Concept
in scheme: Library of Congress Classification
notation: QA71-90
broader: Mathematics

Electronic computers. Computer science
type: Concept
in scheme: Library of Congress Classification
notation: QA75.5-76.95
broader: Mathematics

Computer software
type: Concept
in scheme: Library of Congress Classification
notation: QA76.75-76.765
broader: Mathematics

Elementary mathematics. Arithmetic
type: Concept
in scheme: Library of Congress Classification
notation: QA101-(145)
broader: Mathematics

Algebra
type: Concept
in scheme: Library of Congress Classification
notation: QA150-272.5
broader: Mathematics

Probabilities. Mathematical statistics
type: Concept
in scheme: Library of Congress Classification
notation: QA273-280
broader: Mathematics

Analysis
type: Concept
in scheme: Library of Congress Classification
notation: QA299.6-433
broader: Mathematics

Geometry. Trigonometry. Topology
type: Concept
in scheme: Library of Congress Classification
notation: QA440-699
broader: Mathematics

Analytic mechanics
type: Concept
in scheme: Library of Congress Classification
notation: QA801-939
broader: Mathematics

Astronomy
type: Concept
in scheme: Library of Congress Classification
notation: QB
keyword id: astronomy
broader: Science
narrower: Cosmogony. Cosmology

Cosmogony. Cosmology
type: Concept
in scheme: Library of Congress Classification
notation: QB980-991
keyword id: cosmology
alternative label: Cosmology
broader: Astronomy

Physics
type: Concept
in scheme: Library of Congress Classification
notation: QC
broader: Science

Chemistry
type: Concept
in scheme: Library of Congress Classification
notation: QD
broader: Science

Geology
type: Concept
in scheme: Library of Congress Classification
notation: QE
broader: Science

Natural history. Biology
type: Concept
in scheme: Library of Congress Classification
notation: QH
keyword id: biology
alternative label: Biology
broader: Science
narrower: Ecology

Ecology
type: Concept
in scheme: Library of Congress Classification
notation: QH540-549.5
keyword id: ecology
broader: Natural history. Biology

Botany
type: Concept
in scheme: Library of Congress Classification
notation: QK
broader: Science

Zoology
type: Concept
in scheme: Library of Congress Classification
notation: QL
broader: Science

Human anatomy
type: Concept
in scheme: Library of Congress Classification
notation: QM
broader: Science

Physiology
type: Concept
in scheme: Library of Congress Classification
notation: QP
broader: Science

Microbiology
type: Concept
in scheme: Library of Congress Classification
notation: QR
broader: Science

Medicine
type: Concept
in scheme: Library of Congress Classification
notation: R
definition: Medicine, public health, pathology, internal medicine, surgery, medical specialties, dentistry, therapeutics, pharmacy, nursing, and alternative medical systems.
keyword id: medicine
hidden label: health
hidden label: clinical medicine
hidden label: surgery
hidden label: public health
hidden label: pharmacy
top concept of: Library of Congress Classification
narrower: Medicine (General)
narrower: Public aspects of medicine
narrower: Pathology
narrower: Internal medicine
narrower: Surgery
narrower: Ophthalmology
narrower: Otorhinolaryngology
narrower: Gynecology and obstetrics
narrower: Pediatrics
narrower: Dentistry
narrower: Dermatology
narrower: Therapeutics. Pharmacology
narrower: Pharmacy and materia medica
narrower: Nursing
narrower: Botanic, Thomsonian, and eclectic medicine
narrower: Homeopathy
narrower: Other systems of medicine

Medicine (General)
type: Concept
in scheme: Library of Congress Classification
notation: R
broader: Medicine

Public aspects of medicine
type: Concept
in scheme: Library of Congress Classification
notation: RA
broader: Medicine

Pathology
type: Concept
in scheme: Library of Congress Classification
notation: RB
broader: Medicine

Internal medicine
type: Concept
in scheme: Library of Congress Classification
notation: RC
broader: Medicine
narrower: Neurology. Diseases of the nervous system

Neurology. Diseases of the nervous system
type: Concept
in scheme: Library of Congress Classification
notation: RC346-429
keyword id: neurology
alternative label: Neurology
broader: Internal medicine

Surgery
type: Concept
in scheme: Library of Congress Classification
notation: RD
broader: Medicine

Ophthalmology
type: Concept
in scheme: Library of Congress Classification
notation: RE
broader: Medicine

Otorhinolaryngology
type: Concept
in scheme: Library of Congress Classification
notation: RF
broader: Medicine

Gynecology and obstetrics
type: Concept
in scheme: Library of Congress Classification
notation: RG
broader: Medicine

Pediatrics
type: Concept
in scheme: Library of Congress Classification
notation: RJ
broader: Medicine

Dentistry
type: Concept
in scheme: Library of Congress Classification
notation: RK
broader: Medicine

Dermatology
type: Concept
in scheme: Library of Congress Classification
notation: RL
broader: Medicine

Therapeutics. Pharmacology
type: Concept
in scheme: Library of Congress Classification
notation: RM
broader: Medicine

Pharmacy and materia medica
type: Concept
in scheme: Library of Congress Classification
notation: RS
broader: Medicine

Nursing
type: Concept
in scheme: Library of Congress Classification
notation: RT
broader: Medicine

Botanic, Thomsonian, and eclectic medicine
type: Concept
in scheme: Library of Congress Classification
notation: RV
broader: Medicine

Homeopathy
type: Concept
in scheme: Library of Congress Classification
notation: RX
broader: Medicine

Other systems of medicine
type: Concept
in scheme: Library of Congress Classification
notation: RZ
broader: Medicine

Agriculture
type: Concept
in scheme: Library of Congress Classification
notation: S
definition: Agriculture, plant culture, forestry, animal culture, fisheries, aquaculture, angling, and hunting.
keyword id: agriculture
hidden label: farming
hidden label: plant culture
hidden label: forestry
hidden label: animal culture
hidden label: fisheries
top concept of: Library of Congress Classification
narrower: Agriculture (General)
narrower: Plant culture
narrower: Forestry
narrower: Animal culture
narrower: Aquaculture. Fisheries. Angling
narrower: Hunting

Agriculture (General)
type: Concept
in scheme: Library of Congress Classification
notation: S
broader: Agriculture

Plant culture
type: Concept
in scheme: Library of Congress Classification
notation: SB
broader: Agriculture

Forestry
type: Concept
in scheme: Library of Congress Classification
notation: SD
broader: Agriculture

Animal culture
type: Concept
in scheme: Library of Congress Classification
notation: SF
broader: Agriculture

Aquaculture. Fisheries. Angling
type: Concept
in scheme: Library of Congress Classification
notation: SH
broader: Agriculture

Hunting
type: Concept
in scheme: Library of Congress Classification
notation: SK
broader: Agriculture

Technology
type: Concept
in scheme: Library of Congress Classification
notation: T
definition: Technology, engineering branches, construction, machinery, electrical and nuclear engineering, vehicles, mining, chemical technology, photography, manufacturing, crafts, and home economics.
keyword id: technology-engineering
alternative label: Technology and engineering
hidden label: engineering
hidden label: manufacturing
hidden label: construction
hidden label: machinery
hidden label: electronics
keyword id: technology
top concept of: Library of Congress Classification
narrower: Technology (General)
narrower: Engineering (General). Civil engineering
narrower: Hydraulic engineering. Ocean engineering
narrower: Environmental technology. Sanitary engineering
narrower: Highway engineering. Roads and pavements
narrower: Railroad engineering and operation
narrower: Bridge engineering
narrower: Building construction
narrower: Mechanical engineering and machinery
narrower: Electrical engineering. Electronics. Nuclear engineering
narrower: Motor vehicles. Aeronautics. Astronautics
narrower: Mining engineering. Metallurgy
narrower: Chemical technology
narrower: Photography
narrower: Manufactures
narrower: Handicrafts. Arts and crafts
narrower: Home economics

Technology (General)
type: Concept
in scheme: Library of Congress Classification
notation: T
broader: Technology

Engineering (General). Civil engineering
type: Concept
in scheme: Library of Congress Classification
notation: TA
broader: Technology

Hydraulic engineering. Ocean engineering
type: Concept
in scheme: Library of Congress Classification
notation: TC
broader: Technology

Environmental technology. Sanitary engineering
type: Concept
in scheme: Library of Congress Classification
notation: TD
broader: Technology

Highway engineering. Roads and pavements
type: Concept
in scheme: Library of Congress Classification
notation: TE
broader: Technology

Railroad engineering and operation
type: Concept
in scheme: Library of Congress Classification
notation: TF
broader: Technology

Bridge engineering
type: Concept
in scheme: Library of Congress Classification
notation: TG
broader: Technology

Building construction
type: Concept
in scheme: Library of Congress Classification
notation: TH
broader: Technology

Mechanical engineering and machinery
type: Concept
in scheme: Library of Congress Classification
notation: TJ
broader: Technology

Electrical engineering. Electronics. Nuclear engineering
type: Concept
in scheme: Library of Congress Classification
notation: TK
broader: Technology

Motor vehicles. Aeronautics. Astronautics
type: Concept
in scheme: Library of Congress Classification
notation: TL
broader: Technology

Mining engineering. Metallurgy
type: Concept
in scheme: Library of Congress Classification
notation: TN
broader: Technology

Chemical technology
type: Concept
in scheme: Library of Congress Classification
notation: TP
broader: Technology

Photography
type: Concept
in scheme: Library of Congress Classification
notation: TR
broader: Technology

Manufactures
type: Concept
in scheme: Library of Congress Classification
notation: TS
broader: Technology

Handicrafts. Arts and crafts
type: Concept
in scheme: Library of Congress Classification
notation: TT
broader: Technology

Home economics
type: Concept
in scheme: Library of Congress Classification
notation: TX
broader: Technology

Military Science
type: Concept
in scheme: Library of Congress Classification
notation: U
definition: Military organization, administration, logistics, branches, military engineering, air forces, and related services.
keyword id: military-science
alternative label: Military science
hidden label: armies
hidden label: military administration
hidden label: infantry
hidden label: artillery
hidden label: air forces
top concept of: Library of Congress Classification
narrower: Military science (General)
narrower: Armies: organization, distribution, military situation
narrower: Military administration
narrower: Maintenance and transportation
narrower: Infantry
narrower: Cavalry. Armor
narrower: Artillery
narrower: Military engineering. Air forces
narrower: Other military services

Military science (General)
type: Concept
in scheme: Library of Congress Classification
notation: U
broader: Military Science

Armies: organization, distribution, military situation
type: Concept
in scheme: Library of Congress Classification
notation: UA
broader: Military Science

Military administration
type: Concept
in scheme: Library of Congress Classification
notation: UB
broader: Military Science

Maintenance and transportation
type: Concept
in scheme: Library of Congress Classification
notation: UC
broader: Military Science

Infantry
type: Concept
in scheme: Library of Congress Classification
notation: UD
broader: Military Science

Cavalry. Armor
type: Concept
in scheme: Library of Congress Classification
notation: UE
broader: Military Science

Artillery
type: Concept
in scheme: Library of Congress Classification
notation: UF
broader: Military Science

Military engineering. Air forces
type: Concept
in scheme: Library of Congress Classification
notation: UG
broader: Military Science

Other military services
type: Concept
in scheme: Library of Congress Classification
notation: UH
broader: Military Science

Naval Science
type: Concept
in scheme: Library of Congress Classification
notation: V
definition: Naval organization, administration, maintenance, personnel, marines, ordnance, navigation, merchant marine, naval architecture, and marine engineering.
keyword id: naval-science
alternative label: Naval science
hidden label: navies
hidden label: navigation
hidden label: merchant marine
hidden label: naval architecture
hidden label: shipbuilding
top concept of: Library of Congress Classification
narrower: Naval science (General)
narrower: Navies: organization, distribution, naval situation
narrower: Naval administration
narrower: Naval maintenance
narrower: Naval seamen
narrower: Marines
narrower: Naval ordnance
narrower: Minor services of navies
narrower: Navigation. Merchant marine
narrower: Naval architecture. Shipbuilding. Marine engineering

Naval science (General)
type: Concept
in scheme: Library of Congress Classification
notation: V
broader: Naval Science

Navies: organization, distribution, naval situation
type: Concept
in scheme: Library of Congress Classification
notation: VA
broader: Naval Science

Naval administration
type: Concept
in scheme: Library of Congress Classification
notation: VB
broader: Naval Science

Naval maintenance
type: Concept
in scheme: Library of Congress Classification
notation: VC
broader: Naval Science

Naval seamen
type: Concept
in scheme: Library of Congress Classification
notation: VD
broader: Naval Science

Marines
type: Concept
in scheme: Library of Congress Classification
notation: VE
broader: Naval Science

Naval ordnance
type: Concept
in scheme: Library of Congress Classification
notation: VF
broader: Naval Science

Minor services of navies
type: Concept
in scheme: Library of Congress Classification
notation: VG
broader: Naval Science

Navigation. Merchant marine
type: Concept
in scheme: Library of Congress Classification
notation: VK
broader: Naval Science

Naval architecture. Shipbuilding. Marine engineering
type: Concept
in scheme: Library of Congress Classification
notation: VM
broader: Naval Science

Bibliography. Library Science. Information Resources (General)
type: Concept
in scheme: Library of Congress Classification
notation: Z
definition: Books, writing, bibliography, library science, and general information resources.
keyword id: bibliography-library-science
alternative label: Bibliography and library science
hidden label: books
hidden label: bibliography
hidden label: library science
hidden label: information resources
keyword id: bibliography
alternative label: Bibliography
keyword id: library-science
alternative label: Library Science
keyword id: information-resources
alternative label: Information Resources
top concept of: Library of Congress Classification
narrower: Books. Bibliography. Library science
narrower: Information resources/materials

Books. Bibliography. Library science
type: Concept
in scheme: Library of Congress Classification
notation: Z
broader: Bibliography. Library Science. Information Resources (General)

Information resources/materials
type: Concept
in scheme: Library of Congress Classification
notation: ZA
broader: Bibliography. Library Science. Information Resources (General)