Library of Congress Classification
A - GENERAL WORKS
AE - Encyclopedias AG - Dictionaries
AI - Indexes
AM - Museums
AN - Newspapers
AP - Periodicals
AS - Academies; learned societies
AY - Almanacs; directories
AZ - History of learning
B - PHILOSOPHY
BC - Logic BD - Speculative philosophy
BF - Psychology
BH - Aesthetics
BJ - Ethics
BL - Religion
BM - Judaism
BP - Islam; Bahai; other
BQ - Buddhism
BR - Christianity
BS - The Bible
BT - Doctrinal theology
BV - Practical theology
BX - Christian denominations
C - AUXILIARY SCIENCES OF HISTORY
CB - History of Civilization CC - Archaeology
CD - Diplomatics; archives
CE - Chronology; calendars
CJ - Numismatics
CN - Inscriptions; epigraphy
CR - Heraldry
CS - Genealogy
CT - Biography
D - HISTORY
DA - History of Great Britain DB - History of Austria
DC - History of France
DD - History of Germany
DE - Mediterranean history
DF - History of Greece
DG - History of Italy
DH - History of the Low Countries
DJ - History of Holland
DJK - History of Eastern Europe
DK - History of the Soviet Union
DL - History of Scandinavia
DP - History of Spain
DQ - History of Switzerland
DR - History of the Balkan States
DS - History of Asia
DT - History of Africa
DU - History of Oceania
DX - History of the Gypsies
E - HISTORY OF THE AMERICAS
F - HISTORY OF THE AMERICAS
G - GEOGRAPHY; atlases; maps
GA - Cartography GB - Physical geography
GC - Oceanography
GF - Human ecology
GN - Anthropology
GR - Folklore; manners; customs
GV - Recreation; leisure
H - SOCIAL SCIENCES
HA - Statistics HB - Economics
HC - Economic history, by region
HD - Economic history
HE - Transportation; communications
HF - Commerce
HG - Finance
HJ - Public finance
HM - Sociology
HN - Social history
HQ - Family; marriage
HS - Societies
HT - Communities; classes; races
HV - Social pathology; criminology
HX - Socialism; communism
J - POLITICAL SCIENCE
JA - Papers: Congress / President JC - Political theory
JF - Constitutional history
JK - U.S.; States; C.S.A.
JL - Britain; Latin America
JN - Europe
JQ - Asia; Africa; Oceania
JS - Local Government
JV - Colonies and colonization
JX - International law
K - LAW
KD - Law of the U.K. & Ireland KE - Canadian law
KF - Federal law
KG - Central American law
KH - Latin American law
KJ - European law
KK - European law
L - EDUCATION
LA - History of education LB - Educational theory & practice
LC - Special aspects of education
LD - U.S. educational institutions
LE - Education, America (not U.S.)
LF - Education, Europe
LG - Education, Asia; Africa; Oceania
LH - College & school periodicals
LJ - Student fraternities
LT - Textbooks
