Loyola University Chicago Libraries

Library Science: Quick Reference

Dewey Classification (DDC) System

Below is a summary of the DDC to the 0's.  For a further breakdown of the classification number and more about DDC see the OCLC Dewey Decimal Classification Summaries.

000 Computer science, knowledge & systems
010 Bibliographies
020 Library & information sciences
030 Encyclopedias & books of facts
040 [Unassigned]
050 Magazines, journals & serials
060 Associations, organizations & museums
070 News media, journalism & publishing
080 Quotations
090 Manuscripts & rare books
100 Philosophy
110 Metaphysics
120 Epistemology
130 Parapsychology & occultism
140 Philosophical schools of thought
150 Psychology
160 Logic
170 Ethics
180 Ancient, medieval & eastern philosophy
190 Modern western philosophy
200 Religion
210 Philosophy & theory of religion
220 The Bible
230 Christianity & Christian theology
240 Christian practice & observance
250 Christian pastoral practice & religious orders
260 Christian organization, social work & worship
270 History of Christianity
280 Christian denominations
290 Other religions
300 Social sciences, sociology & anthropology
310 Statistics
320 Political science
330 Economics
340 Law
350 Public administration & military science
360 Social problems & social services
370 Education
380 Commerce, communications & transportation
390 Customs, etiquette & folklore
400 Language
410 Linguistics
420 English & Old English languages
430 German & related languages
440 French & related languages
450 Italian, Romanian & related languages
460 Spanish & Portuguese languages
470 Latin & Italic languages
480 Classical & modern Greek languages
490 Other languages
500 Science
510 Mathematics
520 Astronomy
530 Physics
540 Chemistry
550 Earth sciences & geology
560 Fossils & prehistoric life
570 Life sciences; biology
580 Plants (Botany)
590 Animals (Zoology)
600 Technology
610 Medicine & health
620 Engineering
630 Agriculture
640 Home & family management
650 Management & public relations
660 Chemical engineering
670 Manufacturing
680 Manufacture for specific uses
690 Building & construction
700 Arts
710 Landscaping & area planning
720 Architecture
730 Sculpture, ceramics & metalwork
740 Drawing & decorative arts
750 Painting
760 Graphic arts
770 Photography & computer art
780 Music
790 Sports, games & entertainment
800 Literature, rhetoric & criticism
810 American literature in English
820 English & Old English literatures
830 German & related literatures
840 French & related literatures
850 Italian, Romanian & related literatures
860 Spanish & Portuguese literatures
870 Latin & Italic literatures
880 Classical & modern Greek literatures
890 Other literatures
900 History
910 Geography & travel
920 Biography & genealogy
930 History of ancient world (to ca. 499)
940 History of Europe
950 History of Asia
960 History of Africa
970 History of North America
980 History of South America
990 History of other areas

MARC Record Fields

For ore information about MARC Records see the Guide from the Library of Congress.

For a further breakdown of the fields, click on the individual fields.

DIRECTORY

VARIABLE CONTROL FIELDS

001 Control Number Full | Concise
003 Control Number Identifier Full | Concise
005 Date and Time of Latest Transaction Full | Concise
006 Fixed-Length Data Elements -- Additional Material Characteristics Full | Concise
007 Physical Description Fixed Field Full | Concise
008 Fixed Length Data Elements Full | Concise

VARIABLE DATA FIELDS

010 Library of Congress Control Number Full | Concise
013 Patent Control Information Full | Concise
015 National Bibliography Number Full | Concise
016 National Bibliographic Agency Control Number Full | Concise
017 Copyright or Legal Deposit Number Full | Concise
018 Copyright Article-Fee Code Full | Concise
020 International Standard Book Number Full | Concise
022 International Standard Serial Number Full | Concise
024 Other Standard Identifier Full | Concise
025 Overseas Acquisition Number Full | Concise
027 Standard Technical Report Number Full | Concise
028 Publisher Number Full | Concise
030 CODEN Designation Full | Concise
031 Musical Incipits Information Full | Concise
032 Postal Registration Number Full | Concise
033 Date/Time and Place of an Event Full | Concise
034 Coded Cartographic Mathematical Data Full | Concise
035 System Control Number Full | Concise
036 Original Study Number for Computer Data files Full | Concise
037 Source of Acquisition Full | Concise
038 Record Content Licensor Full | Concise
040 Cataloging Source Full | Concise
041 Language Code Full | Concise
042 Authentication Code Full | Concise
043 Geographic Area Code Full | Concise
044 Country of Publishing/Producing Entity Code Full | Concise
045 Time Period of Content Full | Concise
046 Special Coded Dates Full | Concise
047 Form of Musical Composition Code Full | Concise
048 Number of Musical Instruments or Voices Code Full | Concise
050 Library of Congress Call Number Full | Concise
051 Library of Congress Copy, Issue, Offprint Statement Full | Concise
052 Geographic Classification Full | Concise
055 Classification Numbers Assigned in Canada Full | Concise
060 National Library of Medicine Call Number Full | Concise
061 National Library of Medicine Copy Statement Full | Concise
066 Character Sets Present Full | Concise
070 National Agricultural Library Call Number Full | Concise
071 National Agricultural Library Copy Statement Full | Concise
072 Subject Category Code Full | Concise
074 GPO Item Number Full | Concise
080 Universal Decimal Classification Number Full | Concise
082 Dewey Decimal Classification Number Full | Concise
083 Additional Dewey Decimal Classification Number Full | Concise
084 Other Classification Number Full | Concise
085 Synthesized Classification Number Components Full | Concise
086 Government Document Classification Number Full | Concise
088 Report Number Full | Concise
09X Local Call Numbers Full | Concise
100 Main Entry-Personal Name Full | Concise
110 Main Entry-Corporate Name Full | Concise
111 Main Entry-Meeting Name Full | Concise
130 Main Entry-Uniform Title Full | Concise
210 Abbreviated Title Full | Concise
222 Key Title Full | Concise
240 Uniform Title Full | Concise
242 Translation of Title by Cataloging Agency Full | Concise
243 Collective Uniform Title Full | Concise
245 Title Statement Full | Concise
246 Varying Form of Title Full | Concise
247 Former Title Full | Concise