Library of Congress Call Numbers

AC

Collections, Series, Collected works

AE

Encyclopedias (General)

AG

Dictionaries and other general reference works

AI

Indexes

AM

Museums. Collectors and collecting

AN

Newspapers

AP

Periodicals (General)

AS

Academies and learned societies (General)

AY

Yearbooks. Almanacs. Directories

AZ

History of scholarship and learning

BC

Logic

BD

Speculative philosophy

BF

Psychology

BH

Aesthetics

BJ

Ethics

BL

Religion

BM

Judaism

BP

Islam. Bahaism. Theosophy, etc. Islam

BQ

Buddhism

BR

Christianity

BS

The Bible and exegesis

BT

Doctrinal theology, Apologetics

BV

Practical theology

BX

Denominations and sects, including Roman Catholic Church

C

Auxiliary sciences of history (General)

CB

History of civilization

CC

Archaeology (General)

CD

Diplomatics. Archives. Seals.

CE

Technical chronology. Calendar

CJ

Numismatics

CN

Inscriptions. Epigraphy

CR

Heraldry

CS

Genealogy

CT

Biography

D

History (General)

DA

Great Britain

DB

Austria. Czechoslovakia. Hungary

DC

France

DD

Germany

DE

The Mediterranean region. Greco-Roman world

DF

Greece

DG

Italy

DH-DJ

Netherlands. Belgium. Luxemburg

DJK

Eastern Europe

DK

Russia. Poland. Finland

DL

Northern Europe. Scandinavia

DP

Spain. Portugal

DQ

Switzerland

DR

Eastern Europe. Balkan Peninsula. Turkey

DS

Asia

DT

Africa

DU

Oceania (South Sea)

DX

Gypsies

E

America (General)

F

United States local history

G

Geography (General)

GA

Mathematical geography. Cartography

GB

Physical geography

GC

Oceanography

GF

Human ecology. Anthrogeography

GN

Anthropology

GR

Folklore

GT

Manners and customs (General)

GV

Geography. Anthropology. Recreation

H

Social Sciences

HA

Statistics

HB

Economic theory

HC

Economic history and conditions. National production

HD

Land. Agriculture. Industry

HE

Transportation and communication

HF

Commerce

HG

Finance

HJ

Public finance

HM

Sociology (General and theoretical)

HN

Social history. Social problems. Social reform

HQ

The family. Marriage. Women

HS

Societies: Secret, benevolent, etc. Clubs

HT

Communities. Classes. Races

HV

Social pathology. Social and public welfare. Criminology

HX

Socialism. Communism. Anarchism

J

Official documents

JA

Collections and general works

JC

Political theory. Theory of the state

JF

Constitutional history and administration

JK

United States

JL

British America. Latin America

JN

Europe

JQ

Asia. Africa. Australia. Oceania

JS

Local government

JV

Colonies and colonization. Emigration and immigration

JX

International law. International relations

K

Law (General)

KD

Law of England and Wales

KDC

Law of Scotland

KDE

Law of Northern Ireland

KDG

Law of Isle of Man and the Channel Islands

KDK

Law of Ireland (Eire)

KE

Federal law. (Canada) Common and collective provincial law

KEA-KEY

Law of individual provinces and territories (Canada)

KEO

e.g. Ontario

KEQ

e.g. Quebec

KEZ

Law of individual cities, A-Z (Canada)

KF

Federal law. (United States) Common and collective state law

KFA-KFW

Law of individual states (United States)

KFA

e.g. Alabama

KFW

e.g. Alaska

KFX

Law of individual cities, A-Z (United States)

KFZ

Law of individual territories (United States)

L

Education (General)

LA

History of education

LB

Theory and practice of education

LC

Special aspects of education

LD

United States

LE

America, except United States

LF

Europe

LG

Asia. Africa. Oceania

LH

College and school magazines and papers

LJ

Student fraternities and societies, United States

LT

Textbooks

M

Music

ML

Literature of music

MT

Music instruction and study

N

Visual arts (General)

NA

Architecture

NB

Sculpture

NC

Drawing. Design. Illustration

ND

Painting

NE

Print media

NK

Decorative arts. Applied arts. Decoration and ornament

NX

Arts in general

P

Philology and linguistics (General)

PA

Classical languages and literatures

PB

Modern European languages (General works)

PB

Romance languages

PD

Germanic languages

PE

English

PF

West Germanic

PG

Slavic, Baltic, Albanian languages and literatures

PH

Finno-Ugrian, Basque languages and literatures

PJ

Oriental languages and literatures (General works)

PK

Indo-Iranian

PL

Languages and literatures of Eastern Asia, Africa, Oceania

PM

American Indian languages

PN

Literary history and collections (General)

PQ

Romance literatures

PR

English literature

PS

American literature

PT

Germanic literatures

PZ

Fiction and juvenile belles lettres

Q

Science (General)

QA

Mathematics

QB

Astronomy

QC

Physics

QD

Chemistry

QE

Geology

QH

Natural history (General)

QK

Botany

QL

Zoology

QM

Human anatomy

QP

Physiology

QR

Microbiology

R

Medicine (General)

RA

Public aspects of medicine

RB

Pathology

RC

Internal medicine. Practice of medicine

RD

Surgery

RE

Ophthalmology

RF

Otorhinolaryngology

RG

Gynecology and obstetrics

RJ

Pediatrics

RK

Dentistry

RL

Dermatology

RM

Therapeutics. Pharmacology

RS

Pharmacy and material medica

RT

Nursing

RV

Botanic, Thomsonian, and eclectic medicine

RX

Homeopathy

RZ

Other systems of medicine

S

Agriculture (General)

SB

Plant culture

SD

Forestry

SF

Animal culture

SH

Aquaculture. Fisheries. Angling

SK

Hunting

T

Technology (General)

TA

Engineering (General). Civil engineering (General)

TC

Hydraulic engineering

TD

Environmental technology. Sanitary engineering

TE

Highway engineering. Roads and pavements

TF

Railroad engineering and operation

TG

Bridge engineering

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

U

Military science (General)

UA

Armies: Organization, description, facilities, etc.

UB

Military administration

UC

Maintenance and transportation

UD

Infantry

UE

Cavalry/ Armored and mechanized cavalry

UF

Artillery

UG

Military engineering

UH

Other services

V

Naval science (General)

VA

Navies: Organization, description, facilities, etc.

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

Books in general