Library of Congress vs. Dewey Decimal


Jump to Dewey Decimal Classification vs. Library of Congress Classification


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 Encyclopedia & Books of Facts 
400 Language
AI Indexes (general) 010 Bibliographies
AM Museums: Collectors & Collecting 060  Associations, organizations & museums
AN Newspapers 050 Magazines, journals & Serials
070 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 -


LC LC Subject Area Dewey Dewey Subject Area
B Philosophy, Psychology, Religion - -
B Philosophy history. Systems. 100 Philosophy
110 Metaphysics 
140 Philosophical Schools of Thought 
180 Ancient, medieval & Eastern Philosophy 
190 Modern Western Philosophy 
210 Philosophy and Theory of Religion
BC Logic 160 Logic
BD Speculative philosophy 110 Metaphysics 
120 Epistemology 
140 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 Ethics
390 Customs, Etiquette, Folklore
BL Religions. Mythology. Rationalism. 180 Ancient, medieval &Eastern philosophy 
200 Religion
210 Philosophy and Theory of Religion 
290 Other Religions
BM Judaism 290 Other Religions
BP Islam. Bahism. Theosophy. 290 Other Religions
BQ Buddhism 180 Ancient, medieval & Eastern philosophy
290 Buddhism
BR Christian 230 Christianity & Christian theology 
240 Christian practice & observance
250 Christian pastoral practice & religious orders
260 Church organization, social work & worship 
270 History of Christianity
BS Bible 220 The Bible
BT Doctrinal theology 240 Christian practice & observance 
250 Christian pastoral practice & religious orders
260 Church organization, social work & worship 
270 History of Christianity 
280 Christian Denominations
BV Practical theology 260 Church organization, social work & worship
BX Christian denominations and sects. 280 Christian Denominations
LC LC Subject Area Dewey Dewey Subject Area
C Auxiliary Sciences of History - -
CB History of Civilization 900 History
930 History of the Ancient World (to ca. 499 A.D.)
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


LC LC Subject Area Dewey Dewey Subject Area
D History and Topography (except America) -  
D History (general) 900 History
DA Great Britain 900 History
930 History of the Ancient World (to ca. 499 A.D.) 
940 History of Europe (ca 500 A.D.)
DAW Central Europe 900 History
930 History of the Ancient World (to ca. 499 A.D.)
940 History of Europe (ca 500 A.D.)
DB Austria.  Liechtenstein. 
Hungary. Czechoslovakia		 900 History
930 History of the Ancient World (to ca. 499 A.D.)
DC France.  Andorra.  Monaco 900 History
930 History of the Ancient World (to ca. 499 A.D.)
940 History of Europe (ca 500 A.D.)
DD Germany.  East Germany.  Prussia 900 History
930 History of the Ancient World (to ca. 499 A.D.)
940 History of Europe (ca 500 A.D.)
DE Classical antiquity, Mediterranean region 900 History
930 History of the Ancient World (to ca. 499 A.D.)
DF Greece 900 History
930 History of the Ancient World (to ca. 499 A.D.)
940 History of Europe (ca 500 A.D.)
DH Belgium and Luxemburg 900 History
940 History of Europe (ca 500 A.D.)
DJ Holland 900 History
940 History of Europe (ca 500 A.D.)
DJK Eastern Europe 900 History
940 History of Europe (ca 500 A.D.)
DK Soviet Union. Poland 900 History
940 History of Europe (ca 500 A.D.)
DL Scandinavia 900 History
940 History of Europe (ca 500 A.D.)
DP Spain. Portugal 900 History
940 History of Europe (ca 500 A.D.)
DQ Switzerland 900 History
940 History of Europe (ca 500 A.D.)
DR Balkan Peninsula 900 History
940 History of Europe (ca 500 A.D.)
DS Asia 900 History
950 History of Asia
DT Africa 900 History
960 History of Africa
DU Australia and Oceania 900 History
990 History of other regions
DX Gypsies 900 History
LC LC Subject Area Dewey Dewey Subject Area
E America and U.S. (general) -  -
E11-135 America (general). North American Indians 900 History
970 History of North America
E11-135 U.S. (general) 900 History
970 History of North America


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


LC LC Subject Area Dewey Dewey Subject Area
H Social sciences -  -
H Social sciences (general) 300 Social Sciences (general)
650 Management & Public Relations
HA Statistics 310 Statistics
650 Management & Public Relations
HB Economic theory. Demography 330 Economics
650 Management & Public Relations
HC Economic history and conditions 330 Economics
650 Management & Public Relations
HD Economic history: Agriculture and industries 330 Economics
650 Management & Public Relations
HE Transportation and communication 330 Economics
380 Commerce, communications & transportation
HF Commerce (general) 330 Economics
380 Commerce, communications & transportation
650 Management & Public Relations
HG Finance 330 Economics
650 Management & Public Relations
HJ Public finance 330 Economics
350 Public Administration & Military Science
HM Sociology (general and theoretical) 330 Social Sciences (general)
650 Management & Public Relations
HN Social history. Social problems. Social reform 330 Social Sciences (general)
650 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
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 Political Science
350 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 Political Science
350 Public Administration & Military Science
JV Colonies and colonization. Emigration and immigration 320 Political Science
JX International law.  International relations 320 Political Science
340 Law


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
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


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
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 Drawing & Decorative Arts
760 Graphic Arts
ND Painting 750 Painting 
760 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


LC LC Subject Area Dewey Dewey Subject Area
P Language and Literature - -
P Philology and linguistics (general) 400 Language
410 Linguistics
800 Literature, rhetoric & criticism
PA Classical philology and literature. Byzantine and modern Greek literature Medieval and modern Latin literature. 470 Latin & Italic Languages
480 Classical & modern Greek Language
800 Literature, rhetoric & criticism
880 Classical & modern Greek literatures
PB Celtic languages and literature 490 Other language
890 Other literatures
PC Romance philology and languages 440 French & related languages
450 Italian, Romanian & related languages
460 Spanish & Portuguese Languages
470 Latin & Italic Languages
800 Literature, rhetoric & criticism
PD Germanic philology and languages 430  German & related languages
800 Literature, rhetoric & criticism
PE English philology and languages 420 English and Old English Languages
800 Literature, rhetoric & criticism
PF West Germanic philology and languages 420 English and Old English Languages
800 Literature, rhetoric & criticism
PG Slavic, Baltic, Albanian language and literature 490 Other language
800 Literature, rhetoric & criticism
890 Other literatures
PH Finno-Ugrian, Basque languages and literatures 490 Other language
800 Literature, rhetoric & criticism
890 Other literatures
PJ Egyptian, Coptic, Hamitic, and Semitic philology and languages 490 Other language
800 Literature, rhetoric & criticism
890 Other literatures
PK Indo-Iranian languages and literature 490 Other language
800 Literature, rhetoric & criticism
890 Other literatures
PL Eastern Asian, Oceanian, African languages and literatures 490 Other language
800 Literature, rhetoric & criticism
890 Other literatures
PM
American Indian and artificial languages		 490 Other language
800 Literature, rhetoric & criticism
PN Literary history and collections, theater, oratory, journalism 070 Journalism, Publishing, News Media
800 Literature, rhetoric & criticism
PQ Romance literature 800 Literature
840 French & Related literatures
850 Italian, Roman & related literatures
860 Spanish & Portuguese literatures
870 Latin & Italic literatures
PR English literature 800 Literature
820 English & Old English literatures
PS American literature 800 Literature
810 American literature in English
PT Germanic literatures 800 Literature
830 German & Related literatures
PZ Juvenile belles letters 800 Literature
810 American literature in English
820 English & Old English literatures
830 German & Related literatures
840 French & Related literatures
850 Italian, Roman & related literatures
860 Spanish & Portuguese literatures
870 Latin & Italic literatures
880 Classical & modern Greek literatures
890 Other literatures
LC LC Subject Area Dewey Dewey Subject Area
Q Science - -
Q Science (general) 500 Science
QA Mathematics.  Computer science 000 Generalities, Knowledge, Computers, Internet & Systems
510 Mathematics
QB Astronomy 520 Astronomy
QC Physics 530 Physics
QD Chemistry.  Crystallography 540 Chemistry
QE Geology 550 Earth Sciences & Geology
560 Fossils & Prehistoric life
QH Natural history.  Biology 560 Fossils & Prehistoric life
570 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


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 Medicine
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 Medicine
RT Nursing 610 Medicine
RV Botanic, Thomsonian and Eclecic medicine 610 Medicine
RX Homeopathy 610 Medicine
RZ Other systems of medicine 610 Medicine
LC LC Subject Area Dewey Dewey Subject Area
S Agriculture. Plant and Animal Industry - -
SB Pant culture 630 Agriculture
710 Landscaping & area planning
SD Forestry 630 Agriculture
SF Animal culture 630 Agriculture
SH Aquaculture.  Fisheries.  Angling 630 Agriculture
SK Hunting 630 Agriculture


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 Engineering
690 Building & Construction
TJ Mechanical engineering and machinery 620 Engineering
TK Electrical engineering.  Electronics.  Nuclear engineering 000 Generalities, Knowledge, Computers, Internet & Systems
Engineering
620 Engineering
TL Motor vehicles.  Aeronautics.  Astronautics. 620 Engineering
TN Mining engineering.  Metallurgy 620 Engineering
TP Chemical technology 650 Chemical Engineering
TR Photography 620 Engineering
770 Photography
TS Manufactures 670 Manufacturing
680 Manufacturing specific products
TT Handicrafts.  Arts and crafts 640 Home & Family Management
680 Manufacturing specific products
TX Home electronics 640 Home & Family Management
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


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


LC LC Subject Area Dewey Dewey Subject Area
Z Books, Bibliography and Library Science -  -
Z4-115.5 History of books.  History of writing 020 Library & Information Science
090 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