LCC Breakdown

Below are the 21 primary classes and their subclass breakdowns. If you would like to learn more about the Library of Congress Classification scheme, there are many resources available, such as the Library of Congress online training workshop.

A GENERAL WORKS
AC Collections, Series
AE Encyclopedias
AG Dictionaries
AI Indexes
AM Museums, Collecting
AN Newspapers
AP Periodicals
AS Academies and learned societies
AY Yearbooks, Almanacs, Directories
AZ History of scholarship

B PHILOSOPHY, PSYCHOLOGY, RELIGION
B General philosophy
BC Logic
BD Speculative philosophy
BF Psychology
BH Aesthetics
BJ Ethics
BL Religions, Mythology, Rationalism
BM Judaism
BP Islam, Baha’ism, Theosophy
BQ Buddhism
BR Christianity
BS The Bible
BT Doctrinal theology
BV Practical theology
BX Christian denominations

C AUXILIARY SCIENCES OF HISTORY
C General auxiliary sciences of history
CB History of civilization
CC Archaeology
CD Diplomatics, Archives, Seals
CE Chronology, Calendars
CJ Numismatics
CN Inscriptions, Epigraphy
CR Heraldry
CS Genealogy
CT Biography

D WORLD HISTORY (EXCLUDING THE AMERICAS)
D General history
DA Great Britain
DAW Central Europe
DB Austria, Liechtenstein, Hungary, Czechoslovakia
DC France, Andorra, Monaco
DD Germany
DE Greco-Roman World
DF Greece
DG Italy, Malta
DH Low countries, Benelux countries
DJ Netherlands
DJK Eastern Europe (general)
DK Russia, Soviet Union, Former Soviet Republics, Poland
DL Northern Europe, Scandinavia
DP Spain, Portugal
DQ Switzerland
DR Balkan Peninsula
DS Asia
DT Africa
DU Oceania
DX Romanies

E HISTORY OF THE AMERICAS
There are no subclasses. Includes US Presidents.

F LOCAL HISTORY OF THE AMERICAS
There are no subclasses. Includes regional histories.

G GEOGRAPHY, ANTHROPOLOGY, RECREATION
G General geography, including atlases and maps
GA Cartography and GIS
GB Physical geography
GC Oceanography
GE Environmental sciences
GF Human ecology, Anthropogeography
GN Anthropology
GR Folklore
GT Manners and customs
GV Recreation and leisure activities

**H SOCIAL SCIENCES **
H General social sciences
HA Statistics
HB Economic theory, Demography
HC Economic history
HD Industries, Land use, Labor
HE Transportation, communications
HF Commerce
HG Finance
HJ Public finance
HM Sociology
HM Social history, Social problems, Social reform
HQ Family, Marriage, Women and sexuality
HS Societies
HT Communities, Classes, Races
HV Social pathology, Public welfare, Criminology
HX Socialism, Communism, Anarchism

J POLITICAL SCIENCE
J General legislative papers
JA General political science
JC Political theory
JF General political institutions and public administration
JJ Political institutions and public administration (North America, excluding Canada)
JK Political institutions and public administration (United States)
JL Political institutions and public administration (Canada, Latin America)
JN Political institutions and public administration (Europe)
JQ Political institutions and public administration (Asia, Africa, Australia, Pacifica)
JS Local and municipal government
JV Colonization, Emigration and immigration, Migration
JZ International relations

K LAW
K General law, including jurisprudence
KB Religious law
KBM Jewish law
KBP Islamic law
KBR History of canon law
KBS Eastern churches canon law
KBT Eastern Rite Churches in Communication with the Holy See of Rome canon law
KBU Roman Catholic Church law
KD United Kingdom
KDK Ireland
KDZ North America
KE Canada
KF United States
KG Latin America, Central America, West Indies, Caribbean
KH South America
KJ-KKZ Europe
KL-KWX Asia, Eurasia, Arica, Pacifica, Antarctica
KU Australia
KUQ New Zealand
KZ Law of nations

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

M MUSIC
M General music, including scores
ML Literature on music
MT Instruction and study

N FINE ARTS
N General visual arts
NA Architecture
NB Sculpture
NC Drawing, Design, Illustration
ND Painting
NE Print
NK Decorative arts
NX Arts in general

P LANGUAGE AND LITERATURE
P Philology, Linguistics
PA Greek language and literature, Latin language and literature
PB Modern languages, Celtic languages
PC Romanic languages
PD Germanic languages, Scandinavian languages
PE English language
PF West Germanic languages
PG Slavic languages, Baltic languages, Albanian languages
PH Uralic languages, Basque language
PJ Oriental languages and literatures
PK Indo-Iranian languages and literatures
PL Languages and literatures Eastern Asia, Africa, Oceania
PM Hyperborean, Native American, Artificial
PN General literature
PQ French, Italian, Spanish, and Portuguese literature
PR English literature
PS American literature
PT German, Dutch, Flemish, Afrikaans, Scandinavian, Old Norse, Old Icelandic, Old Norwegian, Modern Icelandic, Faroese, Danish, Norwegian, and Swedish literature
PZ Juvenile

Q SCIENCE
Q General science
QA Mathematics
QB Astronomy
QC Physics
QD Chemistry
QE Geology
QH Natural history, Biology
QK Botany
QL Zoology
QM Human anatomy
QP Physiology
QR Microbiology

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

S AGRICULTURE
S General agriculture
SB Plant culture
SD Forestry
SF Animal culture
SH Aquaculture, Fisheries, Angling
SK Hunting

T TECHNOLOGY
T General technology
TA Engineering, Civil engineering
TC Hydraulic engineering, Ocean engineering
TD Environmental technology, Sanitary engineering
TE Highway engineering, Roads and pavements
TF Railroad engineering and operation
TG Bridges
TH Building construction
TJ Mechanical engineering and machinery
TK Electrical engineering, Electronics, Nuclear engineering
TL Motor vehicles, Aeronautics, Astronautics
TN Mining engineering, Metallurgy
TP Chemical technology
TR Photography
TS Manufactures
TT Handicrafts, Arts and crafts
TX Home economics, including cookbooks

U MILITARY SCIENCE
U General military science
UA Armies
UB Military administration
UC Military maintenance and transportation
UD Infantry
UE Cavalry, Armor
UF Artillery
UG Military engineering, Air forces
UH Other

V NAVAL SCIENCES
V General naval sciences
VA Navies
VB Naval administration
VC Naval maintenance
VD Naval seamen
VE Marines
VF Naval ordnance
VG Minor services of navies
VK Navigation, Merchant marine
VM Naval architecture, Shipbuilding, Marine engineering

Z BIBLIOGRAPHY, LIBRARY SCIENCE, AND INFORMATION RESOURCES
Z General books, Writing, Paleography, Book industries and trade, Libraries, Bibliography
ZA Information resources