DEWEY DECIMAL CLASSES
CLASS 000 – Computer science, information &
general works
020 Library & information sciences
020 Library & information sciences
030 Encyclopedias & books of facts 030 General encyclopedic
works
040 Biographies 040 Biographies
050 Magazines, journals & serials 050 General serial
publications
060 Associations, organizations & museums 060 General organizations &
museology
070 News media, journalism & publishing 070 News media, journalism &
publishing
080 General collections 080 General collections
090 Manuscripts & rare books 090 Manuscripts & rare books
CLASS 100 – PHILOSOPHY &
PSYCHOLOGY
110 Metaphysics
111 Ontology
113 Cosmology (Philosophy of nature)
114 Space
115 Time
116 Change
117 Structure
118 Force and energy
119 Number and quantity
120 Epistemology
121 Epistemology
122 Causation
123 Determinism and indeterminism
124 Teleology
126 The self
127 The unconscious and the subconscious
128 Humankind
129 Origin and destiny of individual souls
130 Parapsychology and occultism
131 Parapsychological and occult methods
133 Specific topics in parapsychology and occultism
135 Dreams and mysteries
137 Divinatory graphology
138 Physiognomy
139 Phrenology
140 Philosophical schools of thought
141 Idealism and related systems
142 Critical philosophy
143 Bergsonism and intuitionism
144 Humanism and related systems
145 Sensationalism
146 Naturalism and related systems
147 Pantheism and related systems
148 Liberalism, eclecticism, and traditionalism
149 Other philosophical systems
150 Psychology
152 Perception, movement, emotions, and drives
153 Mental processes and intelligence
154 Subconscious and altered states
155 Differential and developmental psychology
156 Comparative psychology
158 Applied psychology
160 Logic
161
Induction
162 Deduction
165 Fallacies and sources of error
166 Syllogisms
167 Hypotheses
168 Argument and persuasion
169 Analogy
170 Ethics (Moral philosophy)
180 Ancient, medieval, and Eastern philosophy
181 Eastern philosophy
182 Pre-Socratic Greek philosophies
183 Socratic and related philosophies
184 Platonic philosophy
185 Aristotelian philosophy
186 Skeptic and Neoplatonic philosophies
187 Epicurean philosophy
188 Stoic philosophy
189 Medieval Western philosophy
190 Modern Western philosophy (19th-century,
20th-century)
CLASS 200
– RELIGION
210 Natural theology
211 Concepts of God
212 Existence, attributes of God
213 Creation
214 Theodicy
215 Science & religion
218 Humankind
220 Bible
221 Old Testament
222 Historical books of Old Testament
223 Poetic books of Old Testament
224 Prophetic books of Old Testament
225 New Testament
226 Gospels & Acts
227 Epistles
228 Revelation (Apocalypse)
229 Apocrypha & pseudepigrapha
230 Christian theology
231 God
232 Jesus Christ & his family
233 Humankind
234 Salvation (Soteriology) & grace
235 Spiritual beings
236 Eschatology
238 Creeds & catechisms
239 Apologetics & polemics
240 Christian moral & devotional theology
260 Christian social theology
261 Social theology
262 Ecclesiology
263 Times, places of religious observance
264 Public worship
265 Sacraments, other rites & acts
266 Missions
267 Associations for religious work
268 Religious education
269 Spiritual renewal
270 Christian church history
280 Christian denominations & sects
281 Early church & Eastern churches
282 Roman Catholic Church
283 Anglican churches
284 Protestants of Continental origin
285 Presbyterian, Reformed, Congregational
286 Baptist, Disciples of Christ, Adventist
287 Methodist & related churches
289 Other denominations & sects
290 Other & comparative religions
291 Comparative religion
292 Classical (Greek & Roman) religion
293 Germanic religion
294 Religions of Indian origin
295 Zoroastrianism (Mazdaism, Parseeism)
296 Judaism
297 Islam, Bábism & Bahá'í Faith
299 Other religions
CLASS 300 – SOCIAL
SCIENCES
310 General statistics
320 Political science
321 Systems of governments & states
322 Relation of state to organized groups
323 Civil & political rights
324 The political process
325 International migration & colonization
326 Slavery & emancipation
327 International relations
328 The legislative process
330 Economics
331 Labor economics
332 Financial economics
333 Land economics
334 Cooperatives
335 Socialism & related systems
336 Public finance
337 International economics
338 Production
339 Macroeconomics & related topics
340 Law
341 International law
342 Constitutional & administrative law
343 Military, tax, trade, industrial law
344 Social, labor, welfare, & related law
345 Criminal law
346 Private law
347 Civil procedure & courts
348 Law (Statutes), regulations, cases
350 Public administration
351 Of central governments
352 Of local governments
353 Of U.S. federal & state governments
355 Military science
356 Foot forces & warfare
357 Mounted forces & warfare
358 Other specialized forces & services
359 Sea (Naval) forces & warfare
360 Social services; association
361 General social problems
362 Social welfare problems & services
363 Other social problems & services
364 Criminology
365 Penal & related institutions
366 Association
367 General clubs
368 Insurance
369 Miscellaneous kinds of associations
370 Education
371 School management; special education
372 Elementary education
373 Secondary education
374 Adult education
375 Curriculums
378 Higher education
379 Government regulation, control, support
380 Commerce, communications, transport
381 Internal commerce (Domestic trade)
382 International commerce (Foreign trade)
383 Postal communication
384 Communications; Telecommunication
385 Railroad transportation
386 Inland waterway & ferry transportation
387 Water, air, space transportation
388 Transportation; Ground transportation
389 Metrology & standardization
390 Customs, etiquette, folklore
391 Costume & personal appearance
392 Customs of life cycle & domestic life
393 Death customs
395 Etiquette (Manners)
398 Folklore
399 Customs of war & diplomacy
CLASS 400 –
LANGUAGE
410 Linguistics
411 Writing systems
412 Etymology
413 Dictionaries
414 Phonology
415 Structural systems (Grammar)
417 Dialectology & historical linguistics
418 Standard usage; Applied linguistics
419 Verbal language not spoken or written
420 English & Old English
421 English writing system & phonology
422 English etymology
423 English dictionaries
425 English grammar
427 English language variations
428 Standard English usage
429 Old English (Anglo-Saxon)
430 Germanic languages; German
440 Romance languages; French
450 Italian, Romanian, Rhaeto-Romanic
460 Spanish & Portuguese languages
470 Italic languages
480 Hellenic languages; Classical Greek
CLASS 500 –
SCIENCE
510 Mathematics
511 General principles
512 Algebra & number theory
513 Arithmetic
514 Topology
515 Analysis
516 Geometry
517 Not assigned or no longer used
518 Numerical analysis
519 Probabilities & applied mathematics
520 Astronomy & allied sciences
521 Celestial mechanics
522 Techniques, equipment, materials
523 Specific celestial bodies & phenomena
525 Earth (Astronomical geography)
526 Mathematical geography
527 Celestial navigation
528 Ephemerides
529 Chronology
530 Physics
531
Classical mechanics; Solid mechanics
532 Fluid mechanics; Liquid mechanics
533 Gas mechanics
534 Sound & related vibrations
535 Light & paraphotic phenomena
536 Heat
537 Electricity & electronics
538 Magnetism
539 Modern physics
Class 500 – Science Cont.)
540 Chemistry & allied sciences
541 Physical & theoretical chemistry
542 Techniques, equipment, materials
543 Analytical chemistry
544 Qualitative analysis
545 Quantitative analysis
546 Inorganic chemistry
547 Organic chemistry
548 Crystallography
549 Mineralogy
550 Earth sciences
551 Geology, hydrology, meteorology
552 Petrology
553 Economic geology
560 Paleontology; Paleozoology
561 Paleobotany
562 Fossil invertebrates
563 Fossil primitive phyla
566 Fossil Vertebrata (Fossil Craniata)
567 Fossil cold-blooded vertebrates
568 Fossil Aves (Fossil birds)
569 Fossil Mammalia
570 Life sciences
571 Physiology
572 Biochemistry
573 Physiological systems of animals
575 Physiological systems of plants
576 Genetics and evolution
577 Ecology
578 Natural history of organisms
579 Microorganisms, fungi, algae
580 Plants
581 Botany
582 Plants noted for specific vegetative characteristics and flowers
583 Dicotyledones
584 Monocotyledones
585 Gymnospermae (Pinophyta)
586 Cryptogamia (Seedless plants)
587 Pteridophyta (Vascular cryptogams)
588 Bryophyta
589 Forestry
590 Zoological sciences/Animals
591 Zoology
592 Invertebrates
593 Protozoa, Echinodermata, related phyla
594 Mollusca & Molluscoidea
595 Other invertebrates
596 Vertebrata (Craniata, Vertebrates)
597 Cold-blooded vertebrates, fish
598 Aves (Birds)
599 Mammalia (Mammals)
CLASS 600 –
TECHNOLOGY
610 Medical sciences
611 Human anatomy, cytology, histology
612 Human physiology
613 Personal health & safety
614 Incidence & prevention of disease
615 Pharmacology and therapeutics
616 Diseases
617 Surgery & related medical specialties
618 Gynecology & other medical specialties
619 Experimental medicine
620 Engineering & Applied operations
621 Applied physics
622 Mining & related operations
623 Military & nautical engineering
624 Civil engineering
625 Engineering of railroads, roads
627 Hydraulic engineering
628 Sanitary & municipal engineering
630 Agriculture
631 Techniques, equipment, materials
632 Plant injuries, diseases, pests
633 Field & plantation crops
634 Orchards, fruits, forestry
635 Garden crops (Horticulture)
636 Animal husbandry
637 Processing dairy & related products
638 Insect culture
639 Hunting, fishing, conservation
640 Home economics & family living
641 Food & drink
642 Meals & table service
643 Housing & household equipment
644 Household utilities
645 Household furnishings
646 Sewing, clothing, personal living
647 Management of public households
648 Housekeeping
649 Child rearing & home care of sick
650 Management & auxiliary services
660 Chemical engineering
661 Industrial chemicals technology
662 Explosives, fuels technology
663 Beverage technology
664 Food technology
665 Industrial oils, fats, waxes, gases
666 Ceramic & allied technologies
667 Cleaning, color, related technologies
668 Technology of other organic products
669 Metallurgy
670 Manufacturing
671 Metalworking & metal products
672 Iron, steel, other iron alloys
673 Nonferrous metals
674 Lumber processing, wood products, cork
675 Leather & fur processing
676 Pulp & paper technology
677 Textiles
678 Elastomers & elastomer products
680 Manufacture for specific uses
681 Precision instruments & other devices
682 Small forge work (Blacksmithing)
683 Household hardware & household appliances
684 Furnishings & home workshops
685 Leather, fur, related products
686 Printing & related activities
687 Clothing
690 Buildings
691 Building materials
692 Auxiliary construction practices
693 Specific materials & purposes
694 Wood construction; Carpentry
695 Roof covering
696 Utilities
697 Heating, ventilating, air-conditioning
698 Detail finishing
CLASS 700 – ARTS &
RECREATION
710 Civic & landscape art
711 Area planning (Civic art)
712 Landscape architecture
713 Landscape architecture of trafficways
714 Water features
715 Woody plants
716 Herbaceous plants
717 Structures
718 Landscape design of cemeteries
719 Natural landscapes
720 Architecture
721 Architectural structure
725 Public structures
726 Buildings for religious purposes
727 Buildings for education & research
728 Residential & related buildings
729 Design & decoration
730 Plastic arts; Sculpture
731 Processes, forms, subjects of sculpture
733 Greek, Etruscan, Roman sculpture
736 Carving & carvings
737 Numismatics & sigillography
738 Ceramic arts
739 Art metalwork
740 Drawing & decorative arts
741 Drawing & drawings
742 Perspective (graphical)
745 Decorative arts
746 Textile arts
747 Interior decoration
748 Glass
749 Furniture & accessories
750 Painting & paintings
751 Techniques, equipment, forms
752 Color
753 Symbolism, allegory, mythology, legend
754 Genre paintings
755 Religion & religious symbolism
757 Human figures & their parts
759 Geographical, historical, areas, persons treatment
760 Graphic arts; Printmaking & prints
761 Relief processes (Block printing)
763 Lithographic (Planographic) processes
764 Chromolithography & serigraphy
765 Metal engraving
766 Mezzotinting & related processes
767 Etching & drypoint
769 Prints
770 Photography & photographs
771 Techniques, equipment, materials
772 Metallic salt processes
773 Pigment processes of printing
774 Holography
775 Digital photography
776 Computer art
777 Cinematography and Videography
778 Fields & kinds of photography
779 Photographs
780 Music
781 General principles & musical forms
782 Vocal music
783 Music for single voices; The voice
784 Instruments & Instrumental ensembles
785 Chamber music
786 Keyboard & other instruments
787 Stringed instruments (Chordophones)
788 Wind instruments (Aerophones)
790 Recreational & performing arts
791 Public performances
792 Stage presentations
793 Indoor games & amusements
794 Indoor games of skill
795 Games of chance
796 Athletic & outdoor sports & games
797 Aquatic & air sports
798 Equestrian sports & animal racing
799 Fishing, hunting, shooting
CLASS 800 –
LITERATURE
810 American literature in English
811 Poetry
812 Drama
813 Fiction
814 Essays
815 Speeches
816 Letters
817 Satire & humor
820 English & Old English literatures
830 German & related literatures
840 Literatures of Romance languages (French)
850 Italian, Romanian, Rhaeto-Romanic
860 Spanish & Portuguese literatures
870 Italic literatures; Latin literature
880 Hellenic literatures; Classical Greek
CLASS 900 – HISTORY &
GEOGRAPHY
910 Geography & travel
911 Historical geography
912 Graphic representations of earth
913 Ancient world
914 Europe
915 Asia
916 Africa
917 North America
918 South America
930 History of ancient world (to c.
499)
931 China
932 Egypt
933 Palestine
934 India
935 Mesopotamia & Iranian Plateau
936 Europe north & west of Italy
937 Italy & adjacent territories
938 Greece
940 General history of Europe
941 British Isles
942 England & Wales
943 Central Europe; Germany
944 France & Monaco
945 Italian Peninsula & adjacent islands
946 Iberian Peninsula & adjacent islands
947 Eastern Europe; Russia
948 Northern Europe; Scandinavia
950 General history of Asia; Far East
951 China & adjacent areas
952 Japan
953 Arabian Peninsula & adjacent areas
954 South Asia; India
955 Iran
956 Middle East (Near East)
957 Siberia (Asiatic Russia)
958 Central Asia
959 Southeast Asia
Class 900 – History & Geography Cont.)
960 General history of Africa
961 Tunisia & Libya
962 Egypt & Sudan
963 Ethiopia
964 Morocco & Canary Islands
965 Algeria
966 West Africa & offshore islands
967 Central Africa & offshore islands
968 Southern Africa
969 South Indian Ocean islands
970 General history of North America
971 Canada
972 Middle America; Mexico
973 United States
980 General history of South America
981 Brazil
982 Argentina
983 Chile
984 Bolivia
985 Peru
986 Colombia & Ecuador
987 Venezuela
988 Guiana
989 Paraguay & Uruguay
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