Comparison of Dewey and Library of Congress subject classification

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This is a comparison chart showing how the Dewey Decimal and Library of Congress Classification systems organize resources by concept, in part for the purpose of assigning call numbers. These two systems account for over 95% of the classification in United States libraries, and are used widely around the world.

The chart includes all ninety-nine second level (two-digit) DDC classes (040 is not assigned), and should include all second level (two-digit) LCC classes. Where a class in one system maps to several classes in other system, it will be listed multiple times (e.g. DDC class 551).

Additional information on these classification plans is available at:

Chart[edit]

DDC   LCC   Description  
000 Computer science, knowledge and general works
001 A knowledge
002 The book
003 Systems
004 QA(subrange) Data processing & computer science
005 QA(subrange) Computer programming, programs & data
006 QA(subrange) Special computer methods
010 Z1001-8999 Bibliography
020 Z665-718.8 Library & information sciences
030 AE General encyclopedic works
050 AI General serials & their indexes
060 AM111-160 General organization & museology
070 AN News media
070 PN4699-5650 Journalism
070 Z278-549 Publishing
080 AC General collections
090 Z105-115.5 Manuscripts
090 Z1019-1033 Rare books
100 B Psychology & Philosophy
111 BD300-450 Ontology
115 BD493-701 Time
120 BD143-237 Epistemology
120 BD? Causation
120 BD? Humankind
124 BD493-701 Teleology
130 BF1404-2055 Paranormal phenomena / Occult sciences
150 BF Psychology
152 HM1041-1101 Perception
152 QH? Movement
152 BF511-593 Emotions
155 BF712-724 Developmental psychology
160 BC Logic
170 BJ Ethics (moral philosophy)
180 B108-708 Classic philosophy
181 B850-5739 Oriental philosophy
182 B108-708 Ancient philosophy
183 B108-708 Sophists & Socratic philosophies
185 B108-708 Aristotelian philosophy
186 B108-708 Skeptic & Neoplatonic philosophies
187 B108-708 Epicurean philosophy
188 B108-708 Stoic philosophy
189 B720-765 Medieval Western philosophy
190 B790-5802 Modern Western philosophy
200 BL Religion
210 BL175-265 Natural theology
212 BL205-216 Nature of God
220 BS Bible
221 BS701-1830 Old Testament
225 BS1901-2970 New Testament
226 BS2547-2970? Gospels & Acts of the Apostles
227 BS2640-2765.6 Epistles
228 BS2547-2970? Revelation
229 BS2547-2970? Apocrypha
230 BR Christian theology
232 BT198-590 Jesus & his family
236 BT819-891 Eschatology
250 BR? Christian orders & local church
260 BR? Christian social theology
270 BR140-1510 Christian church history
280 BX? List of Christian denominations
282 BX800-4795 Roman Catholic Church
283 BX5001-6093 Anglican churches (English and Protestant Episcopal)
284 BX? Protestants of Continental origin
286 BX6201-6495, BX7301-7343, BX6101-6193 Baptist, Disciples of Christ, Adventist
287 BX8201-8495 Methodist & related churches
289 BX7601-7795, BX7801-7843, BX8101-8144, BX 8799-8809, BX9751-9793, BX9998 Other denominations and sects
290 BL660-2680 Non-Christian religion
292 BL700-820 Greek mythology and Roman mythology
295 BL1500-1590 Zoroastrianism
296 BM Judaism
297 BP Islam, Bábísm, Bahá'í Faith
300 H Social sciences
301 HM Sociology
301 GN Anthropology
310 HA154-473 General statistics (of parts of the world)
320 J Political science
327 JZ International relations
330 HB Economics
331 HD4801-8943 Labor economics
332 HG Financial economics
333 HD101-1399 Economics of land
333 HD9502 Economics of energy
336 HJ Public finance
339 HB? Macroeconomics
340 K Law
341 KZ International law
345 K5000-5582 Criminal law
346 KB479 Private law
347 K2201-2385 Civil procedure
347 K2100-2385 Courts
350 JF Public administration
352 JS City government
353 JK1-9593 U.S. federal government
353 JK2403-9593 U.S. state governments
355 U Military Science
360 H Social services; association
361 HN General social problems & services
362 HN Social welfare problems & services
363 HN Other social problems & services
364 HV6001-7220 Criminology
365 HV8301-9920 Penal & related institutions
366 HS Association
367 HS General clubs
368 K1960-1973 (Social) Insurance
370 L Education
371 LB3011-3095 School management
371 LC3950-4806.5 Special education
372 LB1501-1602 Elementary education
373 LB1603-1699 Secondary education
374 LC5201-6661 Adult education
376 LC1401-2572 Education of women
377 LC321-951 Schools & religion
378 LB2300-2430 Higher education
380 HF Commerce, communications, transport
382 HF1 International commerce (Foreign trade)
383 HE6000-7500 Postal communications
384 HE Communications
384 HE7601-8700.9 Telecommunication
385 HE1001-5600 Railways
386 HE380-560 Inland waterway
386 HE5751-5870 Ferry transportation
387 HE380-971 Water transportation
387 HE9761-9900 Air transportation
387 TL787-4050 Space transportation
388 HE Transport
390 GT Customs
390 BJ1801-2195 Etiquette
390 GR Folklore
391 GT500-2370 Costume and Personal Appearance
392 GT2400-3390.5 Customs of life cycle & domestic life
393 GT2400-3390.5 Customs of Death
395 BJ1801-2195 Etiquette
398 GR Folklore
400 P Language
410 P101-410 Linguistics
411 P327-327.5 Writing systems
412 P321-324.5 Etymology
414 P? Phonology phonetics
415 P201-299 Grammar
419 PM8001-8995 Sign language
420 PE English language
430 PD Germanic languages
440 PC2001-3761 French language
449 PC3201-3366 Provençal
449 PC3801-3976 Catalan
450 PC1001-1977 Italian language
459 PC601-872 Romanian language
459 PC901-986 Rhaeto-Romanic language
460 PC4001-4977 Spanish language
469 PC5001-5498 Portuguese language
470 PA2001-2915 Latin language
480 PA201-899 Greek language
490 P501-769 Indo-European Languages
492 PJ991-995 Afro-Asiatic languages
494 PL1-481 Altaic languages
495 PL3521-4001 Sino-Tibetan languages
496 PL8000-8844 African languages
497 PM101-2711 North American languages (Native American languages)
498 PM3001-4566 Central American Languages (Native American languages)
498 PM5001-7356 South American Languages (Native American languages)
500 Q Natural sciences & mathematics
510 QA Mathematics
512 QA150-272 Algebra
513 QA101-145 Arithmetic
514 QA612-699 Topology
515 QA299-433 Analysis / Calculus
516 QA440-611 Geometry (excluding Topology)
519 QA273-299 Probability, Statistics, Numerical analysis
520 QB Astronomy
521 QB349-421 Celestial mechanics
530 QC Physics
531 QC120-168.85 Classical mechanics; Solid mechanics
532 QC120-168.85 Fluid mechanics; Liquid mechanics
533 QC120-168.85 Gas mechanics
534 QC221-246 Sound & related vibrations
535 QC350-467 Light & paraphotic phenomena
536 QC251-338.5 Heat
537 QC501-721 Electricity & electronics
538 QC750-766 Magnetism
539 QC770-798 Modern physics
540 QD Chemistry & allied sciences
541 QD450-801 Physical & theoretical chemistry
542 QD1-65 Techniques, equipment, materials
543 QD71-142 Analytical chemistry
544 QD71-142 Qualitative analysis
545 QD71-142 Quantitative analysis
546 QD146-197 Inorganic chemistry
547 QD241-441 Organic chemistry
548 QD0001-0999 Crystallography
549 QE351-399.2 Mineralogy
550 QE Earth sciences
551 QE Geology
551 GB651-2998 Hydrology
551 QC851-999 Meteorology
552 QE420-499 Petrology
553 QE? Economic geology
560 QE701-760 Paleontology
560 QE7601-899 Paleozoology
570 QH301-705.5 Life sciences - Biology
572 QD415-436 Biochemistry
572 GN Anthropology
573 GN49-298 Physical anthropology
574 QH301-705.5 Biology
575 QH359-425 Evolution
575 QH426-470 Genetics
576 QH573-671 Microbiology
577 QH540-549.5 Ecology
578 QH201-278.5 Microscopy in biology
579 QH1-199.5 Collection and preservation
580 QK Botanical sciences
581 QK Botany
582 QK474.8-495 Spermatophyta (Seed-bearing plants)
585 K494-494.5 Gymnospermae (Pinophyta)
586 QK504-638 Cryptogamia (Seedless plants)
590 QL Animals
591 QL1-355 Zoology
592 QL360-599.82 Invertebrates
593 QL360-599.82 Protozoa, Echinodermata, related phyla
594 QL360-599.82 Mollusca & Molluscoidea
595 QL360-599.82 Other invertebrates
596 QL605-739.8 Vertebrata (Craniata, Vertebrates)
597 QL614-639.8 Fishes
597 QL640-669.3 Reptiles and amphibians
598 QL671-699 Aves (Birds)
599 QL700-739.8 Mammalia (Mammals)
600 T Technology (Applied sciences)
607 T61-173 Education
607 T175-178 Research
608 T201-342 Invention & patents
608 Q Invention & patents
610 R Medicine
611 QM Human anatomy
611 QH573-671 Cytology
611 QM550-577.8 Histology
612 QP Human physiology
615 RM Pharmacology & Therapeutics
617 RD Surgery & Related Topics
618 RG Gynecology
618 R Other medical specialties
619 R735-854 Experimental medicine
620 TA Engineering & allied operations
621 TJ Mechanical engineering
621 QC Applied physics
622 TN Mining & related operations
623 UG1-620 Military engineering
623 VM Nautical engineering
624 TA Civil engineering
TG Bridge Engineering
625 TF Engineering of railways
625 TE Engineering of highways
627 TC1-978 Hydraulic engineering
628 TD Sanitary & engineering
628 TD159-168 Municipal engineering
629 T Other branches of engineering
TK Electrical Engineering, electronics, nuclear engineering
TL Motor vehicles, Aeronautics, Astronautix
TP Chemical Technology
630 S Agriculture
631 S1-972 Techniques, equipment, materials
632 SB599-990.5 Plant injuries, diseases, pests
633 SB317.5-319.864 Horticulture
634 SB354-402 Fruits
634 SD Forestry
634 SB169-172.5 Orchards
636 SF Animal husbandry
637 SF250.5-275 Processing dairy & related products
638 SF518-561 Insect culture
639 SK Hunting, fishing
639 S604.5-604.64 Conservation
640 TX Home economics
650 HD28-70 Management & auxiliary services
653 Z53-102 Shorthand
657 HF5601-5689 Accounting
658 HD28-70 General management
659 HF5801-6182 Advertising
660 TP155-156 Chemical engineering
670 HD9720-9975 Manufacturing
680 TT Handicrafts
690 TH Buildings
700 N Arts
708 N400-3990 Museums
710 SB469-476 Landscape art
720 NA Architecture
730 NB Plastic arts, Sculpture
736 NB0001-1952 Carving & carvings
738 NB0001-1952 Ceramic arts
739 NB0001-1952 Metalwork
740 NC Drawing
740 NK Decorative arts
746 NK8800-9505.5 Textile arts
748 NK5100-5440 Glass
749 NK2200-2750 Furniture & accessories
750 ND Painting
760 NE Graphic arts, Printmaking & prints
761 NE1330-1352 Relief processes (Block printing)
763 NE2250-2570 Lithography
764 NE2236-2240.6 Chromolithography & serigraphy
765 NE1400-1879 Metal engraving
767 NE1940-2232.5 Etching & drypoint
770 TR Photography & photographs
780 M Music
781 MT General principles & musical forms
782 M1495-5000 Vocal music
783 M1528-1529.5 Music for solo voice
784 M1000-1075 Orchestras, ensembles
785 M1000-1075 Ensembles with one instrument per part
786 MT180-255 Keyboard instrument
787 MT259-338 Strings
788 MT339-533 Wind
790 PN1560-1590 Performing arts
790 GV Recreation
792 PN2000-3307 Theater and other stage presentations
793 GV1221-1469.63 Indoor games & amusements
795 GV1301-1311 Games of chance
796 GV557-1198.995 Sport
797 GV750-770.27 Air sports
797 GV770.3-840 Aquatic sports
799 SK Fishing, Hunting, Shooting
800 P Literature & rhetoric
810 PS American literature
820 PR English literature
830 PT1-4897 German literature
840 PQ0001-3999 French literature
850 PQ4001-5999 Italian literature
860 PQ6001-8929 Spanish literature
869 PQ9000-9999 Portuguese literature
870 PA6001-8595 Latin literature
880 PA3050-5660 Greek literature
890 PN World literature
900 G Geography
900 D History
910 G Geography
911 G141 Historical geography
912 GA Graphic representations of earth
914 G1791-2196 Geography of Europe
915 G2200-2444 Geography of Asia
916 G2445-2739 Geography of Africa
917 G1105-1692 Geography of North America
918 G1700-1779 Geography of South America
919 G2740-2799 Geography of Oceania
920 CT Biography
920 CS Genealogy
920 CR4480-4485 Insignia
930 D51-90 History of ancient world
938 DE History of the Greco-Roman World
940 DAW1031-1051 History of Europe
942 DA History of Britain
943 DD History of Germany
943.6 DB History of Austria and Liechtenstein
943.9 DB History of Hungary
944 DC History of France
945 DG History of Italy
946 DP History of the Iberian Peninsula
947 DJK History of Eastern Europe
947 DK History of Russia, Soviet Union, and former Soviet republics.
948 DL History of Northern Europe; Scandinavia
949.2 DH History of the Netherlands
949.3 DH History of Belgium
949.4 DQ History of Switzerland
949.5 DF History of Greece
949.6 DR History of the Balkan Peninsula
950 DS General history of Asia and Far East
951 DS701-799.9 History of China
952 DS801-897 History of Japan
953 DS201-248 History of Arabian Peninsula (History of Saudi Arabia, etc.)
954 DS401-486.8 History of India
955 DS251-326 History of Iran (Persia)
960 DT History of Africa
961 DT211-239 History of Libya
961 DT241-269 History of Tunisia
962 DT154.1-159.9 History of Sudan
962 DT43-154 History of Egypt
963 DT371-390 History of Ethiopia (Abyssinia)
963 DT391-398 History of Eritrea
965 DT271-299 History of Algeria
966 DT470-671 History of West Africa & offshore islands
967 DT? History of Central Africa & offshore islands
968 DT1701-2405 History of South Africa
969 DS349.8-349.9 History of South Indian Ocean islands
970 F History of North America
971 F1001-1145.2 History of Canada
972 F1421-1440 History of Central America
972 F1201-1392 History of Mexico
973 E History of United States
980 F2201-3799 History of South America
981 F2501-2659 History of Brazil
982 F2801-3021 History of Argentina
983 F3051-3285 History of Chile
984 F3301-3359 History of Bolivia
985 F3401-3619 History of Peru
987 F2301-2349 History of Venezuela
988 F2351-2471 History of Guiana
990 DU History of Oceania
993 DU400-430 History of New Zealand
994 DU80-398 History of Australia
995 DU490 History of Melanesia
995 DU739-747 History of New Guinea
803 AG Dictionaries and other general reference works
069 AM Museums. Collectors and collecting
050 AP Periodicals
060-068 AS Academies and learned societies
030 AY Yearbooks. Almanacs. Directories
001 AZ History of scholarship and learning. The humanities
110-140 BD Speculative philosophy
111.85 BH Aesthetics
200 BL Mythology
230 BT Doctrinal Theology
240-260 BV Practical Theology
280 BX Christian Denominations
C Auxiliary Sciences of History (General)
909 CB History of Civilization
930.1 CC Archaeology
929.1 - 929.3 CD Diplomatics. Archives. Seals
529 CE Technical Chronology. Calendar
737 CJ Numismatics
411.7 CN Inscriptions. Epigraphy
929.6 CR Heraldry
909.0491497 DX History of the Gypsies
551.4 GB Physical geography
551.46 GC Oceanography
333.7 GE Environmental Sciences
304 GF Human ecology. Anthropogeography
310 HA Social science statistics
330.9 HC Economic history and conditions
331-338 HD Industries. Land use. Labor
649.1-641.7 HQ The family. Marriage. Women
HT Communities. Classes. Races
364 HV Social pathology. Social and public welfare. Criminology
335 HX Socialism. Communism. Anarchism
J General legislative and executive papers
320 JA Political science (General)
320.5 JC Political theory
JJ Political institutions and public administration (North America)
320.973 JK Political institutions and public administration (United States)
320.971 JL Political institutions and public administration (Canada, Latin America, etc.)
320.94 JN Political institutions and public administration (Europe)
320.95-320.969 JQ Political institutions and public administration (Asia, Africa, Australia, Pacific Area, etc.)
JV Colonies and colonization. Emigration and immigration. International migration
KB Religious law in general. Comparative religious law. Jurisprudence
KD Law of the United Kingdom, Ireland, America. North America
340.971 KE Law of Canada
340.973 KF Law of United States
KG Law of Latin America - Mexico and Central America -West Indies. Caribbean area
KH Law of South America
340.94 KJ-KK Law of Europe
340.95-340.969 KL-KW Law of Asia and Eurasia, Africa, Pacific Area, and Antarctica
370.9 LA History of education
370.1 LB Theory and practice of education
LC Special aspects of education
378.73-378.79 LD Individual educational institutions - United States
378.8 LE Individual educational institutions - America (except United States)
378.4 LF Individual educational institutions - Europe
378.5-378.6 LG Individual educational institutions - Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands
378 LH College and school magazines and papers
LJ Student fraternities and societies, United States
LT Textbooks

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