Library of Congress Classification Outline

• A GENERAL WORKS
• AC - Collections
• AE - Encyclopedias
• AG - Dictionaries and Other General Reference Works
• AI - Indexes
• AM - Museums
• AN - Newspapers
• AP - Periodicals
• AS - Academics and Learned Societies
• AY - Yearbooks, Almanacs, Directories
• AZ - History of Scholarship and Learning

• B PHILOSOPHY, PSYCHOLOGY, RELIGION
• B - History and Systems of Philosophy
• BC - Logic
• BD - Metaphysics, Speculative Philosophy
• BF - Psychology
• BH - Aesthetics
• BJ - Ethics
• BL - Religions, Mythology, Rationalism
• BM - Judaism
• BP - Islam, Bahaism, Theosophy
• BQ - Buddhism
• BR - Christianity (General)
• BS - The Bible
• BT - Doctrinal Theology
• BV - Practical Theology
• BX - Denominations and Sects

• C AUXILIARY SCIENCES OF HISTORY
• 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: (EXCEPT AMERICAN)
• D - History (General)
• DA - Great Britain
• DAW - Central Europe
• DB - Austria, Czech and Slovak Republics, Hungary
• DC - France
• DD - Germany
• DE - Mediterranean, Greco-Roman World
• DG - Italy
• DH-DJ - Netherlands, Belgium, Luxembourg
• DJK - Eastern Europe
• DK - Russia and Poland
• DL - Northern Europe and Scandinavia
• DP - Spain and Portugal
• DR - Eastern Europe and Turkey
• DS - Asia
• DT - Africa
• DU - Oceania, Australia, New Zealand

• E-F HISTORY: AMERICA AND UNITED STATES
• E - America (General) and United States
• F1-F975 - United States (Local History)
• F1001-F1140 - Canada
• F1201-F1392 - Mexico
• F1401-3799 - Central and South American, Caribbean

• G GEOGRAPHY, ANTHROPOLOGY
• G - Geography (General)
• GA - Mathematical Geography, Cartography
• GB - Physical Geography
• GC - Oceanography
• GE - Environmental Sciences
• GF - Human Ecology
• GN - Anthropology, Ethnology, Ethnography
• GR - Folklore
• GT - Manners and Customs
• GV - Sports and Recreation

• H SOCIAL SCIENCES
• H - Social Sciences (General)
• HA - Statistics
• HB - Economic Theory
• HC - Economic History and Conditions
• HD - Land, Agriculture, Industry
• HE - Transportation and Communication
• HF - Commerce
• HG - Finance
• HJ - Public Finance
• HM - Sociology
• HN - Social History
• HQ - Social Groups
• HS - Societies and Clubs
• HT - Communities, Classes, Races
• HV - Social Pathology, Criminology, Welfare
• HX - Communism, Socialism, Anarchism

• J POLITICAL SCIENCE
• J - Official Documents
• JA - Collections and General Works
• JC - Political Theory
• JK - Constitutuional History and Administration
• JS - Local Government
• JV - Colonization, Emigration and Immigration
• JX - International Law, International Relations

• K LAW
• K - Law (General)
• KF - United States Law

• L EDUCATION
• L - Education (General)
• LA - History of Education
• LB - Educational Theory and Practice
• LC - Special Aspects
• LD - U.S. Educational Institutions
• LH - College and School Publications
• LJ - Student Fraternities and Societies
• LT - Textbooks (General)

• M MUSIC
• M - Music Scores
• ML - Literature of Music
• MT - Music Instruction and Study

• N FINE ARTS
• N - Visual Arts (General)
• NA - Architecture
• NB - Sculpture
• NC - Graphic Arts (Drawing, Design, Illustration)
• ND - Painting
• NE - Print Media
• NK - Decorative and Applied Arts
• NX - Arts in General

• P LANGUAGE AND LITERATURE
• P - Linguistics
• PA - Classical Philology (Greek and Latin)
• PB - Modern European Languages, Celtic Languages
• PC - Romance Languages
• PD - Old Germanic and Scandinavian Languages
• PE - English Language
• PF - Dutch, Flemish, and German Languages
• PJ-PL - Oriental Languages
• PQ - Romance Literature
• PR - English Literature
• PS - American Literature
• PT - German Literature
• PZ - Children's Literature

• Q SCIENCE
  
• QA - Mathematics & Computer Science
• QB - Astronomy
• QC - Physics
• QD - Chemistry
• QE - Geology
• QH - Natural History, Biology
• QK - Botany
• QL - Zoology
• QP - Physiology
• QR - Microbiology

• R MEDICINE
• R - Medicine (General)
• RA - Public Aspects of Medicine
• RB - Pathology
• RC - Internal Medicine
• RD - Surgery
• RE - Opthamology
• RG - Gynecology and Obstetrics
• RJ - Pediatrics
• RK - Dentistry
• RL - Dermitology
• RM - Therapeutics, Pharmacology
• RS - Pharmacy and Materia Medica
• RT - Nursing
• RV - Botanic, Thomsonian and Eclectic Medicine
• RX - Homeopathy
• RZ - Other Systems of Medicine

• 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
• TC - Hydraulic Engineering
• TE - Highway EngineeringtRoads
• TH - Building Construction
• TJ - Mechanical Engineering
• TK - Electrical Engineering
• TL - Motor Vehicles, Aeronautics, Astronautics
• TN - Mining and Metallurgy
• TP - Chemical Technology
• TR - Photography
• TS - Manufactures
• TT - Handicrafts, Arts and Crafts
• TX - Home Economics and Cooking

• U MILITARY SCIENCE

• V NAVAL SCIENCE

• Z HISTORY OF BOOKS, BIBLIOGRAPHY, AND LIBRARY SCIENCE