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Library of Congress Classification System

Lovejoy Library classifies materials using the Library of Congress system. This guide is a brief outline of the Library of Congress classification for selected subjects.
LC Class Summary
A General Works B Philosophy, Psychology, Religion
C History and Auxiliary Sciences D History (except America)
E-F History and Geography of the Americas G Geography and Anthropology
H Social Science J Political Science
K Law L Education
M Music N Fine Arts
P Language and Literature Q Science
R Medicine S Agriculture, Plant and Animal Industry
T Technology U Military Science
V Naval Science Z Books in General

LC Class Detail
A General Works
AE Encyclopedias
AI Indexes
B Philosophy, Psychology, Religion
B Collections
BC Logic
BD Metaphysics
BF Psychology
BH Esthetics
BJ Ethics
BL Religions, mythology
BM Judaism
BS Bible
C History and Auxiliary Sciences
CB History of civilization
CS Genealogy
CT Bibliography
D History (except America)
D General history
DA-DR Europe
DS Asia
DT Africa
DU Oceania
E-F History and Geography of the Americas
E31 - E150 North America
E151 - E770 U.S.A.
F1 - F970 U.S.A. (local)
F1201 - F3899 Latin America
G Geography and Anthropology
G Geography (voyages, atlases)
GA Geography (mathematical and astronomical)
GB Geography (physical)
GN Anthropology, enthnology, ethnography
GR Folklore
GV Sports, dance, recreation
H Social Science
H Social sciences (general)
HA Statistics
HB Economics
HD Labor
HE Transportation
HF Commerce
HG Finance
HJ Public finance
HM Sociology (general and theoretical)
HN Social history and reform
HQ Marriage, family, home
HT Communities, classes
HV Social pathology and corrections
HX Communism, socialism, anarchism
J Political Science
J Documents
JA General works
JC Theory of state
JF-JX Constitutional history
JQ Asia, Africa, Australia
K Law
L Education
LA History of education
LB Theory and practice, educational psychology
LC Special education
LD-LT Universities and colleges
M Music
M Music scores
ML Literature of music
MT Music theory
N Fine Arts
NA Architecture
NB Sculpture
NC Graphic arts, design, drawing
ND Painting
NK Applied arts
P Language and Literature
P Philology, linguistics
PA Greek and Latin philology and literature
PB Modern European languages
PC Modern Romance languages
PE English language
PF German
PG Slavic
PM Artificial language, American Indian
PN Journalism and mass media
PQ Romantic literature
PR English literature
PS American literature
PZ Fiction and 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
QR Bacteriology
R Medicine
RA Public aspects of medicine
RB Pathology
RC Internal medicine
RD Surgery
RE Opthalmology
RF Otorhinolaryngology
RG Gynecology, obstetrics
RJ Pediatrics
RK Dentistry
RM Therapeutics, pharmacology
RS Pharmacy, materia medica
RT Nursing
S Agriculture, Plant and Animal Industry
SB Plant culture, horticulture
SD Forestry
SF Animal culture
SH Aquaculture, fisheries, angling
SK Hunting, wildlife conservation, camping, outdoor life
T Technology
TA Civil engineering
TD Environmental technology
TE Highway engineering
TH Building construction
TJ Mechanical engineering
TK Electrical engineering
TR Photography
TS Manufacturers, production management, operations management
U Military Science
V Naval Science
Z Bibliography and Library Science

For additional assistance contact Lydia Jackson, Instruction Librarian ( or 618-650-2604) or the Information Desk (618-650-INFO).

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