Library of Congress Classification

AGeneral Works

AE	Encyclopedias
AG	Dictionaries

BPhilosophy / Psychology / Religion

B	Philosophy
BF	Psychology
BJ	Ethics
BM	Judaism
BR	Christianity
BS	The Bible
BX	Christian denominations

CHistory

CB	History of civilization
CT	Biography

DHistory (except American)

DA	Great Britain
DC	France
DD	Germany
DK	Russia
DS	Asia
DT	Africa

EHistory - American

FHistory: United States (local)

GGeography/Anthropology

GB-GC	Geography & oceans
GN	Anthropology
GV	Recreation & sports

HSocial Sciences

HA	Statistics
HB	Economics
HD	Management, human relations
HM	Sociology
HQ	Family, marriage, women
HV	Social service

JPolitical Science

JC	Political theory, politics
JK	United States

KLaw

LEducation

LA	History of education
LB	Theory & practice
LC	Special aspects of education

MMusic

ML	Literature of music
MT	Music instruction

NFine Art

NA	Architecture
NB	Sculpture
NC	Drawing
ND	Painting

PLanguages & Literature

PA	Classical language & literature
PC	Romance languages
PE	English language
PN	Literature history/collections/drama
PR	English literature
PS	American literature
PT	German literature

QScience

QA	Mathematics/computers
QC	Physics
QD	Chemistry
QH	Biology
QK	Botany
QM	Human anatomy
QP	Physiology
QR	Microbiology

RMedicine

RA	Public aspects of medicine
RT	Nursing

SAgriculture

TTechnology

TR	Photography

UMilitary history

VNaval science

ZBibliography & Library Science

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