Library of Congress Classification

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A - GENERAL WORKS

AE - Encyclopedias
AG - Dictionaries
AI - Indexes
AM - Museums
AN - Newspapers
AP - Periodicals
AS - Academies; learned societies
AY - Almanacs; directories
AZ - History of learning

B - PHILOSOPHY

BC - Logic
BD - Speculative philosophy
BF - Psychology
BH - Aesthetics
BJ - Ethics
BL - Religion
BM - Judaism
BP - Islam; Bahai; other
BQ - Buddhism
BR - Christianity
BS - The Bible
BT - Doctrinal theology
BV - Practical theology
BX - Christian denominations

C - AUXILIARY SCIENCES OF HISTORY

CB - History of Civilization
CC - Archaeology
CD - Diplomatics; archives
CE - Chronology; calendars
CJ - Numismatics
CN - Inscriptions; epigraphy
CR - Heraldry
CS - Genealogy
CT - Biography

D - HISTORY

DA - History of Great Britain
DB - History of Austria
DC - History of France
DD - History of Germany
DE - Mediterranean history
DF - History of Greece
DG - History of Italy
DH - History of the Low Countries
DJ - History of Holland
DJK - History of Eastern Europe
DK - History of the Soviet Union
DL - History of Scandinavia
DP - History of Spain
DQ - History of Switzerland
DR - History of the Balkan States
DS - History of Asia
DT - History of Africa
DU - History of Oceania
DX - History of the Gypsies

E - HISTORY OF THE AMERICAS

F - HISTORY OF THE AMERICAS

G - GEOGRAPHY; atlases; maps

GA - Cartography
GB - Physical geography
GC - Oceanography
GF - Human ecology
GN - Anthropology
GR - Folklore; manners; customs
GV - Recreation; leisure

H - SOCIAL SCIENCES

HA - Statistics
HB - Economics
HC - Economic history, by region
HD - Economic history
HE - Transportation; communications
HF - Commerce
HG - Finance
HJ - Public finance
HM - Sociology
HN - Social history
HQ - Family; marriage
HS - Societies
HT - Communities; classes; races
HV - Social pathology; criminology
HX - Socialism; communism

J - POLITICAL SCIENCE

JA - Papers: Congress / President
JC - Political theory
JF - Constitutional history
JK - U.S.; States; C.S.A.
JL - Britain; Latin America
JN - Europe
JQ - Asia; Africa; Oceania
JS - Local Government
JV - Colonies and colonization
JX - International law

K - LAW

KD - Law of the U.K. & Ireland
KE - Canadian law
KF - Federal law
KG - Central American law
KH - Latin American law
KJ - European law
KK - European law

L - EDUCATION

LA - History of education
LB - Educational theory & practice
LC - Special aspects of education
LD - U.S. educational institutions
LE - Education, America (not U.S.)
LF - Education, Europe
LG - Education, Asia; Africa; Oceania
LH - College & school periodicals
LJ - Student fraternities
LT - Textbooks


M - MUSIC

ML - Music literature
MT - Musical instruction & study

N - FINE ARTS; visual arts

NA - Architecture
NB - Sculpture
NC - Drawing
ND - Painting
NE - Print media
NK - Decorative arts & ornament
NX - Arts in general

P - PHILOLOGY; linguistics

PA - Classical languages & literature
PB - Celtic languages & literature
PC - Romance languages
PD - Germanic languages
PE - English
PF - West Germanic languages
PG - Slavic; Baltic; Albanian
PH - Finno-Ugric; Basque
PJ - Middle Eastern; North African
PK - Indo-Iranian
PL - Oriental; African; Oceanian
PM - Inuit; Indian; artificial languages
PN - Literature
PQ - Romance literatures
PR - English literature
PS - American literature
PT - Germanic literatures
PZ - Juvenile belles lettres

Q - SCIENCE

QA - Mathematics
QB - Astronomy
QC - Physics
QD - Chemistry
QE - Geology
QH - Natural history
QK - Botany
QL - Zoology
QM - Human anatomy
QP - Physiology
QR - Microbiology

R - 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
RS - Pharmacology
RT - Nursing
RV - Botanic & Thomsonian medicine
RX - Homeopathy

S - AGRICULTURE

SB - Plant culture
SD - Forestry
SF - Animal culture
SH - Aquaculture; fisheries
SK - Hunting; wildlife management

T - TECHNOLOGY

TA - Engineering
TC - Hydraulic engineering
TD - Environmental technology
TE - Highway engineering
TF - Railroad engineering
TG - Bridge engineering
TH - Building science
TJ - Mechanical engineering
TK - Electrical engineering
TL - Motor vehicles; aeronautics
TN - Mining engineering
TP - Chemical technology
TR - Photography
TS - Manufactures
TT - Handicrafts
TX - Home economics

U - MILITARY SCIENCE

UA - Armies
UB - Military administration
UC - Maintenance & transportation
UD - Infantry
UE - Cavalry
UF - Artillery
UG - Military engineering
UH - Other military services

V - NAVAL SCIENCE

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 - Shipbuilding  

Z - BIBLIOGRAPHY; libraries

 

 

 

 

 

 

 

 

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