Alumnae Library
Matthew Sheridan
Head of Digital Special Collections & Technical Services



Alumnae Library
Holly Stevens
Head of Circulation & InterLibrary Loan


Library of Congress Classification

Information at Your Fingertips

A Guide for Survival in the Information Jungle


Subject Divisions | LC Classification - Full | Call Numbers


Library of Congress Classification

A - General WorksM - Music
B - Philosophy, Psychology, ReligionN - Fine Arts
C - Auxiliary Sciences of HistoryP - Language & Literature
D - History - GeneralQ - Science
E - History - Western HemisphereR - Medicine
F - U.S. Local HistoryS - Agriculture
G - Geography, Anthropology, RecreationT - Technology
H - Social SciencesU - Military Science
J - Political ScienceV - Naval Science
K - LawZ - Library & Information Science
L - Education 


A General Works

AC Collections
AE Encyclopedias
AG Dictionaries
AI Indexes
AM Museums
AN Newspapers
AP Periodicals
AS Academies and Societies
AY Yearbooks, Almanacs, and Directories
AZ History of Scholarship

B Philosophy, Psychology, and Religion

B Philosophy (General)
BC Logic
BD Speculative Philosophy
BF Psychology, Parapsychology, and Occultism
BH Aesthetics
BJ Ethics, Social Usages, and Etiquette
BL Religions and Mythology
BM Judaism
BP Islam, Bahaism, and Theosophy
BQ Buddhism
BR Christianity
BS Bible
BT Christianity: Doctrinal Theology
BV Christianity: Practical Theology
BX Christian Denominations

C Auxiliary Sciences of History

C General
CB History of Civilization
CC Archaeology
CD Diplomatics, Archives, and Seals
CE Technical Chronology and Calendar
CJ Numismatics
CN Inscriptions and Epigraphy
CR Heraldry
CS Genealogy
CT Biography

D History: General and Non-U.S.

D General
DA Great Britain
DB Austria, Hungary, and Czechoslovakia
DC France
DD Germany
DE Mediterranean Region - Classical
DF Greece
DG Italy
DH Low Countries - Belgium and Luxembourg
DJ Netherlands (Holland)
DJK Eastern Europe
DK Soviet Union and Poland
DL Northern Europe and Scandinavia
DP Spain and Portugal
DQ Switzerland
DR Balkan Peninsula and Turkey
DS Asia
DT Africa
DU Oceania, Australia, and New Zealand
DX Gypsies

E History: Western Hemisphere

E America

F U.S. History: Local and Americas

F U.S. Local History, Canada, and Latin America

G Geography, Anthropology, and Recreation

G General, Atlases, and Maps
GA Mathematical Geography and Cartography
GB Physical Geography
GC Oceanography
GF Human Ecology and Anthropogeography
GN Anthropology
GR Folklore
GT Manners and Customs
GV Recreation, Sports, and Games

H Social Sciences

H General
HA Statistics
HB Economics
HC Economic History
HD Land, Agriculture, Industry, and Labor
HE Transportation and Communications
HF Commerce
HG Finance
HJ Public Finance
HM Sociology
HN Social History
HQ Family, Marriage, and Women
HS Societies and Clubs
HT Communities, Classes, and Races
HV Social Pathology and Social Service
HX Socialism and Communism

J Political Science

J General Legislative and Executive Papers
JA Political Science - General
JC Political Theory and the State
JF Constitutional History - General
JK Constitutional History - United States
JL Constitutional History - Canada and Latin America
JN Constitutional History - Europe
JQ Constitutional History - Asia, Africa, Australia, and Oceania
JS Local Government
JV Colonies and Colonization
JX International Law and International Relations

K Law

K General
KD United Kingdom and Ireland
KDZ America, North America, OAS
KE Canada
KF United States
KG-KH Latin America
KJ-KK Europe

L Education

L General
LA History of Education
LB Theory and Practice of Education
LC Special Aspects of Education
LD Individual Institutions - U.S.
LE Individual Institutions - Other Americas
LF Individual Institutions - Europe
LG Individual Institutions - Asia, Africa, and Oceania
LH College Publications
LJ Student Fraternities and Sororities
LT Textbooks

M Music

M General
ML Literature of Music
MT Music Instruction

N Fine Arts

N Visual Arts (General)
NA Architecture
NB Sculpture
NC Drawing and Design
ND Painting
NE Print Media
NK Decorative Arts and Applied Arts
NX Arts in General

P Language and Literature

P Philology and Linguistics
PA Classical Languages and Literature
PB Celtic Languages
PC Romance Languages
PD Germanic Languages and Scandinavian Languages
PE English Language
PF West Germanic Languages, Dutch, and German
PG Slavic, Baltic, and Armenian Language/Literature
PH Finno-Ugrian Languages and Literature
PJ Oriental Languages and Literature
PK Indo-Iranian Languages and Literature
PL East Asian Languages and Literatures
PM American Indian Languages
PN Literature, General, and Performing Arts
PQ Romance Literatures
PR English Literature
PS American Literature
PT Germanic Literatures
PZ Juvenile Belle Lettres

Q Science

Q General
QA Mathematics
QB Astronomy
QC Physics
QD Chemistry
QE Geology
QH Natural History and Biology
QK Botany
QL Zoology
QM Human Anatomy
QP Physiology
QR Microbiology

R Medicine

R General
RA Public Aspects of Medicine
RB Pathology
RC Internal Medicine
RD Surgery
RE Opthalmology
RF Otorhinolaryngology
RG Gynecology and Obstetrics
RJ Pediatrics
RK Dentistry
RL Dermatology
RM Therapeutics and Pharmacology
RS Pharmacy and Materia Medica
RT Nursing
RV Botanic, Thomsonian, and Eclectic Medicine
RX Homeopathy
RZ Other Systems of Medicine

S Agriculture

S General
SB Plant Culture
SD Forestry
SF Animal Culture
SH Aquaculture, Fisheries, and Angling
SK Hunting

T Technology

T General
TA Engineering - General and Civil
TC Hydraulic Engineering
TD Environmental Technology and Sanitary Engineering
TE Highway Engineering
TF Railroad Engineering
TG Bridge Construction
TH Building Construction
TJ Mechanical Engineering and Machinery
TK Electronics, Electrical, and Nuclear Engineering
TL Motor Vehicles, Aeronautics, and Astronautics
TN Mining Engineering and Metallurgy
TP Chemical Technology
TR Photography
TS Manufactures
TT Handicrafts and Arts and Crafts
TX Home Economics

U Military Science

U General
UA Armies
UB Military Administration
UC Maintenance and Transportation
UD Infantry
UE Cavalry and Armored Cavalry
UF Artillery
UG Military Engineering,  Air Forces, Air Warfare
UH Other Services

V Naval Science

V General
VA Navies
VB Naval Administration
VC Naval Maintenance
VD Naval Seamen
VE Marines
VF Naval Ordnance
VG Minor Services of Navies
VK Navigation and Merchant Marine
VM Naval Architecture and Marine Engineering

Z Library and Information Science

Z Books, Bibliography, and Library Science

(from: Library of Congress)