Library of Congress Classification System

This is an outline of the Library of Congress Classification System used by most academic libraries. For further assistance ask at the Research Help Desk on the Main floor.

A-G , M: Floor 5 in our Library

A: General Works

  • AE: Encyclopedias (General)
  • AI: Indexes
  • AM: Museums
  • AP: Periodicals
  • AS: Academies and learned societies
  • AY: Yearbooks, Almanacs, Directories

B: Philosophy, Psychology, Religion

  • B: History and systems of philosophy
  • BC: Logic
  • BD: Speculative philosophy
  • BF: Psychology
  • BH: Aesthetics
  • BJ: Ethics
  • BL: Religions, Mythology
  • BM: Judaism 
  • BP: Islam
  • BQ: Buddhism
  • BR: Christianity
  • BS: Bible
  • BT: Doctrinal theology
  • BV: Practical theology 
  • BX: Denominations and sects

C-F: History, Description and Travel

  • CB: History of civilization and culture
  • CC: Archaeology (General)
  • CD: Diplomatics, Archives, Seals
  • CE: Chronology
  • CJ: Numismatics
  • CN: Epigraphy
  • CR: Heraldry
  • CS: Genealogy
  • CT: Biography (General)
  • D: History (General)
  • DA: Great Britain
  • DB: Austria, Czechoslovakia, Hungary 
  • DC: France
  • DD: Germany
  • DE: Classical Antiquity
  • DF: Greece
  • DG: Italy
  • DK: Russia, Poland
  • DL: Northern Europe
  • DP: Spain, Portugal
  • DQ: Switzerland
  • DR: Eastern Europe; Turkey
  • DS: Asia
  • DS520-DS689: Southeast Asia
  • DT: Africa
  • DU: Oceania, Australia, New Zealand
  • E: America (General), United States
  • F1-975: United States (local)
  • F1201-1392: Mexico
  • F1401-3799: Central and South America, the Caribbean area
  • FC: Canada

G: Geography, Anthropology, Recreation

  • G: Atlases, Globes, Maps
  • GA: Mathematical geography, Cartography
  • GB: Physical geography
  • GC: Oceanography
  • GF: Human ecology
  • GN: Anthropology
  • GR: Folklore
  • GT: Manners and customs
  • GV: Sports and recreation
  • GV1580-GV1799: Dance

M: Music

  • M: Music (General), Scores
  • ML: Literature of music
  • MT: Theory of music

H-L: Floor 4 in our Library

H: Social Sciences and Business

  • H: Social sciences (General)
  • HA: Statistics 
  • HB: Economic theory, Population
  • HC: Economic history, Development
  • HD: Land, Agriculture, Labour, Industry
  • HE: Transportation and communication
  • HF: Commerce, Accounting, Marketing
  • HG: Banking, Finance
  • HJ: Public finance
  • HM: Sociology
  • HN: Social history, Social problems
  • HQ: Family, Marriage, Women
  • HS: Societies and clubs
  • HT: Urban Studies, Social Classes, Races
  • HV: Social work, Criminology
  • HX: Socialism, Communism, Anarchism

J: Political Science, International Affairs, Public Administration

  • J: Official documents
  • JA: Collections and general works
  • JC: Political theory
  • JF: Constitutional history and administration
  • JK: United States
  • JL: Canada
  • JN: Europe
  • JQ: Asia, Africa, Australia, Oceania
  • JS: Local government
  • JV: Colonies
  • JX: International affairs, International law

K: Law

  • K: Law (General)
  • KD: United Kingdom and Ireland
  • KE: Canada
  • KF: United States
  • KG: Latin America, Mexico and Central America
  • KH: South America

L: Education

  • L: Education (General)
  • LA: History of education
  • LB: Theory and practice
  • LC: Social aspects

M: Music

N-Q: Floor 3 in our Library

N: Fine Arts and Architecture

  • N: Visual arts (General)
  • NA: Architecture
  • NB: Sculpture
  • NC: Drawing, Design, Illustration
  • ND: Painting
  • NE: Print media
  • NK: Industrial design, Applied arts
  • NX: Arts in general

P: Languages and Literature

  • P: Philology and linguistics
  • PA: Classical languages and literatures
  • PB: Modern European languages (general)
  • PC: Romance languages: Italian, French Spanish
  • PD: Old Germanic and Scandinavian languages
  • PE: English language
  • PF: German language
  • PG: Slavic languages and literature
  • PH: Finno-Ugrian and Basque languages and literature
  • PJ: Middle Eastern languages and literature
  • PK: Indo-Iranian languages and literature
  • PL: Asian and African languages and literature
  • PM: American Indian languages
  • PN: Literature (general and comparative), Broadcasting, Film, Journalism
  • PN1993-PN1996: Motion Pictures
  • PQ: Romance literatures: French, Italian, Spanish
  • PR: English Literature
  • PS: American literature
  • PS8000 Canadian literature (French and English)
  • PT: German literature
  • PZ: Juvenile literature

Q: Science

  • Q Science (General) 
  • QA: Mathematics, Computer science, Artificial intelligence
  • QB: Astronomy
  • QC: Physics, Meteorology
  • QD: Chemistry
  • QE: Geology
  • QH: Natural history, Biology
  • QK: Botany
  • QL: Zoology
  • QM: Human anatomy
  • QP: Physiology
  • QR: Microbiology

R-Z: Floor 1 in our Library

R: Medicine

  • R: Medicine (General)
  • RA: Public health
  • RB: Pathology
  • RC: Neurology, Psychiatry, Geriatrics
  • RD: Surgery
  • RG: Gynecology and obstetrics
  • RJ: Pediatrics
  • RM: Pharmacology
  • RT: Nursing

S: Agriculture

  • S: Agriculture (General)
  • SB: Plant culture 
  • SD: Forestry
  • SF: Animal culture
  • SH: Aquaculture, Fisheries, Fishing 
  • SK: Hunting

T: Technology

  • T: Technology (General)
  • TA: Engineering (General), Civil engineering, Soil mechanics
  • TC: Hydraulic engineering
  • TD: Environmental technology
  • TE: Highway engineering 
  • TF: Railroad engineering
  • TG: Bridge engineering 
  • TH: Building construction
  • TJ: Mechanical engineering and machinery
  • TK: Electrical engineering, Electronics, Computer science
  • TL: Motor vehicles, Aeronautics
  • TN: Mining and metallurgy
  • TP: Chemical technology
  • TR: Photography, Cinematography
  • TS: Manufactures
  • TT: Handicrafts, Arts and crafts
  • TX: Home economics, Cooking

U: Military Science

  • UA: Armies
  • UB: Military administration
  • UG: Military engineering
  • UH: Other services

V: Naval Science

Z: Book industries and trade, Libraries and library science. Bibliography

More detailed version

Content last updated: April 2, 2019