Library_of_Congress_Classification.md · wolf/library_classification

# Library of Congress Classification (as of 2020)

* author: @tinyCourses <tinyCourses@gmail.com> (editor, based on various references)
* publication date: 2020-1-21
* publication form: https://github.com/tinycourses/library_classification
* last modification date: 2020-1-21
* references：
  * https://en.wikipedia.org/wiki/Library_of_Congress_Classification

----

[TOC]

## Classification tree

### Class A – General Works

* Subclass AC – Collections. Series. Collected works
* Subclass AE – Encyclopedias
* Subclass AG – Dictionaries and other general reference works
* Subclass AI – Indexes
* Subclass AM – Museums. Collectors and collecting
* Subclass AN – Newspapers
* Subclass AP – Periodicals
* Subclass AS – Academies and learned societies
* Subclass AY – Yearbooks. Almanacs. Directories
* Subclass AZ – History of scholarship and learning. The humanities

### Class B – Philosophy. Psychology. Religion

* Subclass B – Philosophy (General)
* Subclass BC – Logic
* Subclass BD – Speculative philosophy
* Subclass BF – Psychology
* Subclass BH – Aesthetics
* Subclass BJ – Ethics
* Subclass BL – Religions. Mythology. Rationalism
* Subclass BM – Judaism
* Subclass BP – Islam. Bahaism. Theosophy, etc.
* Subclass BQ – Buddhism
* Subclass BR – Christianity
* Subclass BS – The Bible
* Subclass BT – Doctrinal Theology
* Subclass BV – Practical Theology
* Subclass BX – Christian Denominations

### Class C – Auxiliary Sciences of History

* Subclass C – Auxiliary Sciences of History
* Subclass CB – History of Civilization
* Subclass CC – Archaeology
* Subclass CD – Diplomatics. Archives. Seals
* Subclass CE – Technical Chronology. Calendar
* Subclass CJ – Numismatics
* Subclass CN – Inscriptions. Epigraphy
* Subclass CR – Heraldry
* Subclass CS – Genealogy
* Subclass CT – Biography

### Class D – World History and History of Europe, Asia, Africa, Australia, New Zealand, etc.

* Subclass D – History (General)
* Subclass DA – Great Britain
* Subclass DAW – Central Europe
* Subclass DB – Austria – Liechtenstein – Hungary – Czechoslovakia
* Subclass DC – France – Andorra – Monaco
* Subclass DD – Germany
* Subclass DE – Greco-Roman World
* Subclass DF – Greece
* Subclass DG – Italy – Malta
* Subclass DH – Low Countries – Benelux Countries
* Subclass DJ – Netherlands (Holland)
* Subclass DJK – Eastern Europe (General)
* Subclass DK – Russia. Soviet Union. Former Soviet Republics – Poland
* Subclass DL – Northern Europe. Scandinavia
* Subclass DP – Spain – Portugal
* Subclass DQ – Switzerland
* Subclass DR – Balkan Peninsula
* Subclass DS – Asia
* Subclass DT – Africa
* Subclass DU – Oceania (South Seas)
* Subclass DX – Romanies

### Class E – History of America

### Class F – Local History of the Americas

### Class G – Geography, Anthropology, Recreation

* Subclass G – Geography (General). Atlases. Maps
* Subclass GA – Mathematical geography. Cartography
* Subclass GB – Physical geography
* Subclass GC – Oceanography
* Subclass GE – Environmental Sciences
* Subclass GF – Human ecology. Anthropogeography
* Subclass GN – Anthropology
* Subclass GR – Folklore
* Subclass GT – Manners and customs (General)
* Subclass GV – Recreation. Leisure

### Class H – Social Sciences

* Subclass H – Social sciences (General)
* Subclass HA – Statistics
* Subclass HB – Economic theory. Demography
* Subclass HC – Economic history and conditions
* Subclass HD – Industries. Land use. Labor
* Subclass HE – Transportation and communications
* Subclass HF – Commerce
* Subclass HG – Finance
* Subclass HJ – Public finance
* Subclass HM – Sociology (General)
* Subclass HN – Social history and conditions. Social problems. Social reform
* Subclass HQ – The family. Marriage, Women and Sexuality
* Subclass HS – Societies: secret, benevolent, etc.
* Subclass HT – Communities. Classes. Races
* Subclass HV – Social pathology. Social and public welfare. Criminology
* Subclass HX – Socialism. Communism. Anarchism

### Class J – Political Science

* Subclass J – General legislative and executive papers
* Subclass JA – Political science (General)
* Subclass JC – Political theory
* Subclass JF – Political institutions and public administration
* Subclass JJ – Political institutions and public administration (North America)
* Subclass JK – Political institutions and public administration (United States)
* Subclass JL – Political institutions and public administration (Canada, Latin America, etc.)
* Subclass JN – Political institutions and public administration (Europe)
* Subclass JQ – Political institutions and public administration (Asia, Africa, Australia, Pacific Area, etc.)
* Subclass JS – Local government. Municipal government
* Subclass JV – Colonies and colonization. Emigration and immigration. International migration
* Subclass JX – International law, see JZ and KZ (obsolete)
* Subclass JZ – International relations

### Class K – Law

* Subclass K – Law in general. Comparative and uniform law. Jurisprudence
* Subclass KB – Religious law in general. Comparative religious law. Jurisprudence
* Subclass KBM – Jewish law
* Subclass KBP – Islamic law
* Subclass KBR – History of canon law
* Subclass KBS – Canon law of Eastern churches
* Subclass KBT – Canon law of Eastern Rite Churches in Communion with the Holy See of Rome
* Subclass KBU – Law of the Roman Catholic Church. The Holy See
* Subclasses – KD/KDK - United Kingdom and Ireland
* Subclass KDZ – America. North America
* Subclass KE – Canada
* Subclass KF – United States
* Subclass KG – Latin America – Mexico and Central America – West Indies. Caribbean area
* Subclass KH – South America
* Subclasses KJ-KKZ – Europe
* Subclasses KL-KWX – Asia and Eurasia, Africa, Pacific Area, and Antarctica
* Subclass KU/KUQ – Law of Australia and New Zealand
* Subclass KZ – Law of nations

### Class L – Education

* Subclass L – Education (General)
* Subclass LA – History of education
* Subclass LB – Theory and practice of education
* Subclass LC – Special aspects of education
* Subclass LD – Individual institutions – United States
* Subclass LE – Individual institutions – America (except United States)
* Subclass LF – Individual institutions – Europe
* Subclass LG – Individual institutions – Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands
* Subclass LH – College and school magazines and papers
* Subclass LJ – Student fraternities and societies, United States
* Subclass LT – Textbooks

### Class M – Music

* Subclass M – Music
* Subclass ML – Literature on music
* Subclass MT – Instruction and study

### Class N – Fine Arts

* Subclass N – Visual arts
* Subclass NA – Architecture
* Subclass NB – Sculpture
* Subclass NC – Drawing. Design. Illustration
* Subclass ND – Painting
* Subclass NE – Print media
* Subclass NK – Decorative arts
* Subclass NX – Arts in general

### Class P – Language and Literature

* Subclass P – Philology. Linguistics
* Subclass PA – Greek language and literature. Latin language and literature
* Subclass PB – Modern languages. Celtic languages and literature
* Subclass PC – Romanic languages
* Subclass PD – Germanic languages. Scandinavian languages
* Subclass PE – English language
* Subclass PF – West Germanic languages
* Subclass PG – Slavic languages and literatures. Baltic languages. Albanian language
* Subclass PH – Uralic languages. Basque language
* Subclass PJ – Oriental languages and literatures
* Subclass PK – Indo-Iranian languages and literatures
* Subclass PL – Languages and literatures of Eastern Asia, Africa, Oceania
* Subclass PM – Hyperborean, Native American, and artificial languages
* Subclass PN – Literature (General)
* Subclass PQ – French literature – Italian literature – Spanish literature – Portuguese literature
* Subclass PR – English literature
* Subclass PS – American literature
* Subclass PT – German literature – Dutch literature – Flemish literature since 1830 – Afrikaans literature -Scandinavian literature – Old Norse literature: Old Icelandic and Old Norwegian – Modern Icelandic literature – Faroese literature – Danish literature – Norwegian literature – Swedish literature
* Subclass PZ – Fiction and juvenile belles lettres

### Class Q – Science

* Subclass Q – Science (General)
* Subclass QA – Mathematics
* Subclass QB – Astronomy
* Subclass QC – Physics
* Subclass QD – Chemistry
* Subclass QE – Geology
* Subclass QH – Natural history – Biology
* Subclass QK – Botany
* Subclass QL – Zoology
* Subclass QM – Human anatomy
* Subclass QP – Physiology
* Subclass QR – Microbiology

### Class R – Medicine

* Subclass R – Medicine (General)
* Subclass RA – Public aspects of medicine
* Subclass RB – Pathology
* Subclass RC – Internal medicine
* Subclass RD – Surgery
* Subclass RE – Ophthalmology
* Subclass RF – Otorhinolaryngology
* Subclass RG – Gynecology and Obstetrics
* Subclass RJ – Pediatrics
* Subclass RK – Dentistry
* Subclass RL – Dermatology
* Subclass RM – Therapeutics. Pharmacology
* Subclass RS – Pharmacy and materia medica
* Subclass RT – Nursing
* Subclass RV – Botanic, Thomsonian, and Eclectic medicine
* Subclass RX – Homeopathy
* Subclass RZ – Other systems of medicine

### Class S – Agriculture

* Subclass S – Agriculture (General)
* Subclass SB – Horticulture. Plant propagation. Plant breeding
* Subclass SD – Forestry. Arboriculture. Silviculture
* Subclass SF – Animal husbandry. Animal science
* Subclass SH – Aquaculture. Fisheries. Angling
* Subclass SK – Hunting

### Class T – Technology

* Subclass T – Technology (General)
* Subclass TA – Engineering Civil engineering (General).
* Subclass TC – Hydraulic engineering. Ocean engineering
* Subclass TD – Environmental technology. Sanitary engineering
* Subclass TE – Highway engineering. Roads and pavements
* Subclass TF – Railroad engineering and operation
* Subclass TG – Bridges
* Subclass TH – Building construction
* Subclass TJ – Mechanical engineering and machinery
* Subclass TK – Electrical engineering. Electronics. Nuclear engineering
* Subclass TL – Motor vehicles. Aeronautics. Astronautics
* Subclass TN – Mining engineering. Metallurgy
* Subclass TP – Chemical technology
* Subclass TR – Photography
* Subclass TS – Manufacturing engineering. Mass production
* Subclass TT – Handicrafts. Arts and crafts
* Subclass TX – Home economics

### Class U – Military Science

* Subclass U – Military science (General)
* Subclass UA – Armies: Organization, distribution, military situation
* Subclass UB – Military administration
* Subclass UC – Military maintenance and transportation
* Subclass UD – Infantry
* Subclass UE – Cavalry. Armor
* Subclass UF – Artillery
* Subclass UG – Military engineering. Air forces
* Subclass UH – Other military services

### Class V – Naval Science

* Subclass V – Naval science (General)
* Subclass VA – Navies: Organization, distribution, naval situation
* Subclass VB – Naval administration
* Subclass VC – Naval maintenance
* Subclass VD – Naval seamen
* Subclass VE – Marines
* Subclass VF – Naval ordnance
* Subclass VG – Minor services of navies
* Subclass VK – Navigation. Merchant marine
* Subclass VM – Naval architecture. Shipbuilding. Marine engineering

### Class Z – Bibliography, Library Science

* Subclass Z – Books (General). Writing. Paleography. Book industries and trade. Libraries. Bibliography
* Subclass ZA – Information resources/materials

(END)

wolf/library_classification

About

Releases

Contributors

Activities