Library of Congress vs. Dewey Decimal

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LC LC Subject Area Dewey Dewey Subject Area
A General Works
-
AC Collections. Series. Collected Works.
080
Quotations
AE Encyclopedias
030
Encyclopedia & Books of Facts
AG Dictionaries and other general Reference works
030
400
Encyclopedia & Books of Facts
Language
AI Indexes (general)
010
Bibliographies
AM Museums: Collectors & Collecting
060
Associations, organizations & museums
AN Newspapers
050
070
Magazines, journals & Serials
Journalism, Publishing, News media
AP Periodicals
050
 
AS Academies and learned societies
060
 
AY Yearbooks. Almanacs. Directories.
030
060
 
AZ History of scholarship & learning
000
 

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LC LC Subject Area Dewey Dewey Subject Area
B Philosophy, Psychology, Religion
-
B Philosophy history. Systems.
100
110
140
180
190
210
Philosophy
Metaphysics
Philosophical Schools of Thought
Ancient, medieval & Eastern Philosophy
Modern Western Philosophy
Philosophy and Theory of Religion
BC Logic
160
Logic
BD Speculative philosophy
110
120
140
Metaphysics
Epistemology
Philosophical Schools of Thought
BF1-940 Psychology
150
Psychology
BF1001-1999 Parapsychology. Occult Sciences.
130
Astrology, parapsychology, occult
BH Aesthetics
110
Metaphysics
BJ Ethics. Social usages. Etiquette
170
390
Ethics
Customs, Etiquette, Folklore
BL Religions. Mythology. Rationalism.
180

200
210
290
Ancient, medieval &Eastern philosophy
Religion
Philosophy and Theory of Religion
Other Religions
BM Judaism
290
Other Religions
BP Islam. Bahism. Theosophy.
290
Other Religions
BQ Buddhism
180
290
Ancient, medieval & Eastern philosophy
Buddhism
BR Christian
230
240
250
260
270
Christianity & Christian theology
Christian practice & observance
Christian pastoral practice & religious orders
Church organization, social work & worship
History of Christianity
BS Bible
220
The Bible
BT Doctrinal theology
240
250

260

270
280
Christian practice & observance
Christian pastoral practice & religious orders
Church organization, social work & worship
History of Christianity
Christian Denominations
BV Practical theology
260
Church organization, social work & worship
BX Christian denominations and sects.
280
Christian Denominations

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LC LC Subject Area Dewey Dewey Subject Area
C Auxiliary Sciences of History
-
-
CB History of Civilization
900
930
History
CC Archaeology
930 
History of the Ancient World (to ca. 499 A.D.)
CD Diplomatics. Archives. Seals
920 
Biography & Genealogy
CE Technical chronology. Calendar
390
Customs, Etiquette, Folklore
CJ Numismatics
730 
Numismatics
CN Epigraphy. Inscriptions.
930 
History of the Ancient World (to ca. 499 A.D.)
CR Heraldry
920 
Biography & Genealogy
CS Genealogy
920 
Biography & Genealogy
CT Biography (general)
920 
Biography & Genealogy

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LC LC Subject Area Dewey Dewey Subject Area
D History and Topography (except America)
-
-
D History (general)
900
History
DA Great Britain
900
930

940
History
History of the Ancient World (to ca. 499 A.D.)
History of Europe (ca 500 A.D.)
DAW Central Europe
900
930

940
History
History of the Ancient World (to ca. 499 A.D.)
History of Europe (ca 500 A.D.)
DB Austria.  Liechtenstein.
Hungary. Czechoslovakia
900
930
History
History of the Ancient World (to ca. 499 A.D.)
DC France.  Andorra.  Monaco
900
930

940
History
History of the Ancient World (to ca. 499 A.D.)
History of Europe (ca 500 A.D.)
DD Germany.  East Germany.  Prussia
900
930

940
History
History of the Ancient World (to ca. 499 A.D.)
History of Europe (ca 500 A.D.)
DE Classical antiquity, Mediterranean region
900
930
History
History of the Ancient World (to ca. 499 A.D.)
DF Greece
900
930

940
History
History of the Ancient World (to ca. 499 A.D.)
History of Europe (ca 500 A.D.)
DH Belgium and Luxemburg
900
940
History
History of Europe (ca 500 A.D.)
DJ Holland
900
940
History
History of Europe (ca 500 A.D.)
DJK Eastern Europe
900
940
History
History of Europe (ca 500 A.D.)
DK Soviet Union.  Poland
900
940
History
History of Europe (ca 500 A.D.)
DL Scandinavia
900
940
History
History of Europe (ca 500 A.D.)
DP Spain.  Portugal
900
940
History
History of Europe (ca 500 A.D.)
DQ Switzerland
900
940
History
History of Europe (ca 500 A.D.)
DR Balkan Peninsula
900
940
History
History of Europe (ca 500 A.D.)
DS Asia
900
950
History
History of Asia
DT Africa
900
960
History
History of Africa
DU Australia and Oceania
900
990
History
History of other regions
DX Gypsies
900
History

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LC LC Subject Area Dewey Dewey Subject Area
E America and U.S. (general)
-
E11-135 America (general). North American Indians
900
970
History
History of North America
E151 U.S. (general)
900
970
History
History of North America

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LC LC Subject Area Dewey Dewey Subject Area
F United States (local) and America except the U.S.
-
F1-970 United States (local)
900
970
History
History of North America
F1001-1392 North America except U.S., including Mexico
900
970
History
History of North America
F1401-3799 Central and South America
 

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LC LC Subject Area Dewey Dewey Subject Area
G Geography. Maps. Anthropology. Recreation
-
G Geography (general).  Atlases.  Globes.  Maps.
910
Geography & Travel
GA Mathematical geography.  Cartography
910
Geography & Travel
GB Physical geography
910
Geography & Travel
GC Oceanography
550
Earth Sciences & Geology
GF Human ecology.  Anthropogeography
560
Fossils & Prehistoric life
GN Anthropology
560
Fossils & Prehistoric life
GR Folklore
390
Customs, Etiquette, Folklore
GT Manners and customs (general)
390
Customs, Etiquette, Folklore
GV Recreation. Leisure
790
Sports, games & entertainment

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LC LC Subject Area Dewey Dewey Subject Area
H Social sciences
-
H Social sciences (general)
300
650
Social Sciences (general)
Management & Public Relations
HA Statistics
310
650
Statistics
Management & Public Relations
HB Economic theory.  Demography
330
650
Economics
Management & Public Relations
HC Economic history and conditions
330
650
Economics
Management & Public Relations
HD Economic history: Agriculture and industries
330
650
Economics
Management & Public Relations
HE Transportation and communication
330
380
Economics
Commerce, communications & transportation
HF Commerce (general)
330
380
650
Economics
Commerce, communications & transportation
Management & Public Relations
HG Finance
330
650
Economics
Management & Public Relations
HJ Public finance
330
350
Economics
Public Administration & Military Science
HM Sociology (general and theoretical)
330
650
Social Sciences (general)
Management & Public Relations
HN Social history.  Social problems.  Social reform
330
650
Social Sciences (general)
Social Problems & Social Services
HQ Family.  Marriage.  Women
300
Social Sciences (general)
HS Social groups.  Societies.  Clubs.
300
Social Sciences (general)
HT Communities.  Classes. Races
300
Social Sciences (general)
HV Social pathology.  Social and public welfare.  Criminology
360
Social Problems & Social Services
HX Socialism.  Communism.  Anarchism.
320
Political Science

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LC LC Subject Area Dewey Dewey Subject Area
J Political Science
-
J Legislative and executive papers (general)
320
Political Science
JA General works
320
Political Science
JC Political theory.  Theory of the State
320
Political Science
JF Constitutional history and administration
320
350
Political Science
Public Administration & Military Science
JK Constitutional history (United States)
320
Political Science
JL Constitutional history (British America, Latin America)
320
Political Science
JN Constitutional history (Europe)
320
Political Science
JQ Constitutional history (Asia, Africa, Australia, Oceania)
320
Political Science
JS Local government
320
350
Political Science
Public Administration & Military Science
JV Colonies and colonization. Emigration and immigration
320
Political Science
JX International law.  International relations
320
340
Political Science
Law

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LC LC Subject Area Dewey Dewey Subject Area
K Law
-
KD Law of the United Kingdom and Ireland
340
Law
KE Law of Canada
340
Law
KF Law of the United States
340
Law
KG Law of Latin America
340
Law
KH Law of South America
340
Law
KJ Law of Europe
340
Law

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LC LC Subject Area Dewey Dewey Subject Area
L Education
-
L General works
370
Education
LA History of education
370
Education
LB Theory and practice.  Teaching
370
Education
LC Special aspects of education
370
Education
LD-LG Individual institutions (by place)
370
Education
LH College and school magazines and papers
370
Education
LJ Student fraternities and societies
370
Education
LT Textbooks
370
Education

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LC LC Subject Area Dewey Dewey Subject Area
M Music
-
M Music, instrumental and vocal
780
Music
ML Literature of music
780
Music
MT Musical instruction and study
780
Music


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LC LC Subject Area Dewey Dewey Subject Area
N Fine Arts
-
N Visual arts
700
Arts
NA Architecture
720
Architecture
NB Sculpture
730
Sculpture, ceramics & metalwork
NC Drawing.  Design.  Illustration
740
760
Drawing & Decorative Arts
Graphic Arts
ND Painting
750
760
Painting
Graphic Arts
NE Print Media
760
Graphic Arts
NK Decorative arts.  Applied arts. 
Decoration and ornament
740
Drawing & Decorative Arts
NX Arts in general
700
Arts

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LC LC Subject Area Dewey Dewey Subject Area
P Language and Literature
-
P Philology and linguistics (general)
400
410
800
Language
Linguistics
Literature, rhetoric & criticism
PA Classical philology and literature. Byzantine and modern Greek literature Medieval and modern Latin literature.
470
480
800
880
Latin & Italic Languages
Classical & modern Greek Language
Literature, rhetoric & criticism
Classical & modern Greek literatures
PB Celtic languages and literature
490
890
Other language
Other literatures
PC Romance philology and languages
440
450
460
470
800
French & related languages
Italian, Romanian & related languages
Spanish & Portuguese Languages
Latin & Italic Languages
Literature, rhetoric & criticism
PD Germanic philology and languages
430
800
German & related languages
Literature, rhetoric & criticism
PE English philology and languages
420
800
English and Old English Languages
Literature, rhetoric & criticism
PF West Germanic philology and languages
420
800
English and Old English Languages
Literature, rhetoric & criticism
PG Slavic, Baltic, Albanian language and literature
490
800
890
Other language
Literature, rhetoric & criticism
Other literatures
PH Finno-Ugrian, Basque languages and literatures
490
800
890
Other language
Literature, rhetoric & criticism
Other literatures
PJ Egyptian, Coptic, Hamitic, and Semitic philology and languages
490
800
890
Other language
Literature, rhetoric & criticism
Other literatures
PK Indo-Iranian languages and literature
490
800
890

Other language
Literature, rhetoric & criticism
Other literatures

PL Eastern Asian, Oceanian, African languages and literatures
490
800
890

Other language
Literature, rhetoric & criticism
Other literatures
PM American Indian and artificial languages
490
800
Other language
Literature, rhetoric & criticism
PN Literary history and collections, theater, oratory, journalism
070
800
Journalism, Publishing, News Media
Literature, rhetoric & criticism
PQ Romance literature
800
840
850
860
870
Literature
French & Related literatures
Italian, Roman & related literatures
Spanish & Portuguese literatures
Latin & Italic literatures
PR English literature
800
820
Literature
English & Old English literatures
PS American literature
800
810
Literature
American literature in English
PT Germanic literatures
800
830
Literature
German & Related literatures
PZ Juvenile belles letters
800
810
820
830
840
850
860
870
880
890
Literature
American literature in English
English & Old English literatures
German & Related literatures
French & Related literatures
Italian, Roman & related literatures
Spanish & Portuguese literatures
Latin & Italic literatures Classical & modern Greek literatures
Other literatures

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LC LC Subject Area Dewey Dewey Subject Area
Q Science
-
Q Science (general)
500
Science
QA Mathematics.  Computer science
000
510
Generalities, Knowledge, Computers, Internet & Systems
Mathematics
QB Astronomy
520
Astronomy
QC Physics
530
Physics
QD Chemistry.  Crystallography
540
Chemistry
QE Geology
550
560
Earth Sciences & Geology
Fossils & Prehistoric life
QH Natural history.  Biology
560
570
Fossils & Prehistoric life
Biology & Life Sciences
QK Botany
580
Plants (Botany)
QL Zoology
590
Animals (Zoology)
QM Human anatomy
610
Medicine
QP Physiology
570
Biology & Life Sciences
QR Microbiology
570
Biology & Life Sciences

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LC LC Subject Area Dewey Dewey Subject Area
R Medicine
-
R Medicine (general)
610
Medicine
RA Public aspects of medicine.  State medicine.  Public health
610
 
RB Pathology
610
Medicine
RC Internal medicine.  Practice of medicine
610
Medicine
RD Surgery
610
Medicine
RE Ophthalmology
610
Medicine
RF Otorhinolaryngology
610
Medicine
RG Gynecology and obstetrics
610
Medicine
RJ Pediatrics
610
Medicine
RK Dentistry
610
Medicine
RL Dermatology
610
Medicine
RM Therapeutics.  Pharmacology
610
Medicine
RS Pharmacy and material medica
610
 
RT Nursing
610
 
RV Botanic, Thomsonian and Eclecic medicine
610
 
RX Homeopathy
610
 
RZ Other systems of medicine
610
 

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LC LC Subject Area Dewey Dewey Subject Area
S Agriculture. Plant and Animal Industry
-
SB Pant culture
630
710
Agriculture
Landscaping & area planning
SD Forestry
630
Agriculture
SF Animal culture
630
Agriculture
SH Aquaculture.  Fisheries.  Angling
630
Agriculture
SK Hunting
630
Agriculture

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LC LC Subject Area Dewey Dewey Subject Area
T Technology
-
T Technology (general)
600
Technology
TA Engineering (general).
Civil engineering (general)
620
Engineering
TC Hydraulic engineering
620
Engineering
TD Environmental technology.
Sanitary engineering
620
Engineering
TE Highway engineering.  Roads and pavements
620
Engineering
TF Railroad engineering and operation
620
Engineering
TG Bridge engineering
620
Engineering
TH Building construction
620
690
Engineering
Building & Construction
TJ Mechanical engineering and machinery
620
Engineering
TK Electrical engineering.  Electronics.  Nuclear engineering
000
620
Generalities, Knowledge, Computers, Internet & Systems
Engineering
TL Motor vehicles.  Aeronautics.  Astronautics.
620
Engineering
TN Mining engineering.  Metallurgy
620
Engineering
TP Chemical technology
650
Chemical Engineering
TR Photography
620
770
Engineering
Photography
TS Manufactures
670
680
Manufacturing
Manufacturing specific products
TT Handicrafts.  Arts and crafts
640
680
Home & Family Management
Manufacturing specific products
TX Home electronics
640
Home & Family Management

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LC

LC Subject Area

Dewey

Dewey Subject Area

U Military Science
-
UA Armies: organizations, description, facilities
350
Public Administration & Military Science
UB Military Administration
350
Public Administration & Military Science
UC Military maintenance and transport
350
Public Administration & Military Science
UD Infantry
350
Public Administration & Military Science
UE Cavalry
350
Public Administration & Military Science
UF Artillery
350
Public Administration & Military Science
UG Military engineering
350
Public Administration & Military Science

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LC LC Subject Area Dewey Dewey Subject Area
V Naval Science
-
VA

Navies: organization, description, facilities

350
Public Administration & Military Science
VB Naval Administration
350
Public Administration & Military Science
VC Naval maintenance
350
Public Administration & Military Science
VD Naval seamen
350
Public Administration & Military Science
VE Marines
350
Public Administration & Military Science
VF Naval ordinance
350
Public Administration & Military Science
VG Minor services of navies
350
Public Administration & Military Science
VK Navigation.  Merchant Marine
350
Public Administration & Military Science
VM Naval architecture, shipbuilding
350
Public Administration & Military Science

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LC LC Subject Area Dewey Dewey Subject Area
Z Books, Bibliography and Library Science
-
Z4-115.5 History of books.  History of writing
020
090
Library & Information Science
Manuscripts & Rare Books
Z116-550 Book industries and trade
020
Library & Information Science
Z551-661 Copyright.  Liberty of the press
020
Library & Information Science
Z662-1000.5 Libraries and library science
020
Library & Information Science
Z1001-8999 Bibliography
010
Bibliographies

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