OUTLINE OF THE LIBRARY OF CONGRESS CLASSIFICATION SYSTEM
DC
DD
DE
DF
DG
DH
DJ
DK
DL
DP
DQ
DR
DS
DT
DU
France
Germany
Mediterranean. Greco-Roman world
Greece
Italy
Netherlands (Low Countries)
Netherlands (Holland)
Russia/Soviet Union. Poland
Scandinavia
Spain and Portugal
Switzerland
Turkey and the Balkan States
Asia. Arab countries. Israel
Africa
Australia. South Sea islands
E
HISTORY - AMERICA
Indians of North America
United States (incl. ethnic groups)
F
HISTORY - AMERICA
U. S. local history. Canada. Mexico.
Central America. South America
CB
CC
CE
CJ
CR
CS
CT
AUXILIARY SCIENCES OF
HISTORY
History of civilization
Archaeology
Calendar
Numismatics
Heraldry
Genealogy
Biography
G
GA
GB
GC
GE
GF
GN
GR
GV
GEOGRAPHY AND MAPS
Cartography
Physical geography
Oceanography
Environmental sciences
Human ecology
Anthropology
Folklore. Manners & customs
Recreation. Sports. Games. Dancing
D
DA
DB
HISTORY (except America)
Great Britain
Austria-Hungary
H
HA
HB
SOCIAL SCIENCES
Statistics
Economics
A
AF
AG
AI
AM
AP
AY
GENERAL WORKS
Encyclopedias (General)
Dictionaries (General)
Indexes
Museums
Periodicals (General)
Almanacs, Directories
B
BC
BD
BF
BH
BJ
BL
BM
BP
BQ
BR
BS
BT
BV
BX
PHILOSOPHY AND RELIGION
Logic
Metaphysics. Cosmology
Psychology. Occult
Aesthetics
Ethics. Etiquette
Mythology. History of religions
Judaism
Islam. Bahaism. Other beliefs
Buddhism
Christianity
The Bible
Doctrinal theology
Practical theology
Christian denominations
C
HC
HE
HF
HG
HM
HN
HQ
HS
HT
HV
HX
Economic history
Transportation. Communications
Commerce. Business administration.
Finance
Sociology
Social problems and reform
Family. Marriage. Women
Associations. Societies. Clubs
Communities. Classes. Races
Social welfare. Criminal justice
Socialism. Communism
J
JC
JF
JK
JL
JN
JQ
JS
JV
JX
JZ
POLITICAL SCIENCE
Political theory. Nationalism
Constitutional gov. Political parties
United States
Other Americas
Europe
Asia. Africa. Australia. Oceania
Local government
Emigration and immigration
International law
International relations
K
KD
KE
KF
KG
KH
KJ
KZ
LAW
United Kingdom
Canada
United States
Latin America
South America
Europe
Law of nations
L
LA
LB
LC
EDUCATION
History of education
Teaching
Types of education
LD
LJ
LT
Colleges and universities
Student fraternities & societies
Textbooks
M
ML
MT
MUSIC
Literature of music
Instruction and study
N
NA
NB
NC
ND
NE
NK
FINE ARTS
Architecture
Sculpture
Drawing
Painting
Print media
Decorative arts
P
PA
PB
PC
PD
PE
PG
PH
PJ
PK
PL
PM
PN
PQ
PR
PS
PT
LANGUAGE AND LITERATURE
Classical language & literature
Modern languages. Celtic
Romance languages
Germanic languages
English language
Slavic
Basque. Finnish
Oriental
Indo-Iranian
East Asia. Africa. Oceania
American Indian
Literary history. Poetry. Drama
Journalism. Collections
Romance literatures
British literature
American literature
Germanic literatures
Q
QA
QB
QC
QD
SCIENCE
Mathematics. Computer science
Astronomy
Physics
Chemistry
QE
QH
QK
QL
QM
QP
QR
Geology
Biology. Natural history
Botany
Zoology
Human anatomy
Physiology
Microbiology
R
RA
RB
RC
RD
RE
RF
RG
RJ
RK
RL
RM
RS
RT
RX
RZ
MEDICINE
Public health
Pathology
Internal medicine. Psychiatry
Surgery
Ophthalmology
Otorhinolaryngology
Gynecology. Obstetrics
Pediatrics
Dentistry
Dermatology
Therapeutics. Pharmacology
Pharmacy
Nursing
Homeopathy
Other systems of medicine
S
SB
SD
SF
SH
SK
AGRICULTURE
Plant culture
Forestry
Animal culture
Aquaculture
Hunting
T
TA
TD
TE
TF
TG
TH
TJ
TECHNOLOGY
Engineering
Environmental technology
Highways
Railroads
Bridges
Buildings
Mechanical engineering
TK
TL
TN
TP
TR
TS
TT
TX
Electrical engineering. Atomic power.
Telecommunication
Motor vehicles. Aeronautics
Mining
Chemical engineering
Photography
Manufacturing
Handicrafts
Home economics
U
UA
UB
UF
UG
MILITARY SCIENCE
Armies
Military administration
Artillery
Military engineering. Air forces
V
VE
VK
VM
NAVAL SCIENCE
Marines
Navigation
Shipbuilding
Z
GENERAL BIBLIOGRAPHY AND
LIBRARY SCIENCE
Information resources
ZA
SHELF ARRANGEMENT
Books are arranged on the shelf alphabetically
by the first line and then numerically by the
second line. The third line arranges books
alphabetically by letter and then decimally by
number. For example:
Q
123
.S34
Q
125
.A32
QA
236
.F68
QA
236
.F7
QB
176
.N87
QB
1750
.T4