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To Add
0 General reference, computers, encyclopedias, libraries
00 Computers, Internet
004 Computer science
005 Internet
0055 Internet search engines
01 Bibliography, library catalogs, booksellers
011 Bibliographies
0115 Subject bibliographies
012 Books-in-print
013 Booksellers
014 Publishers
017 Library catalogs
018 Book collections online
02 Librarianship and books
028 Book reviews
029 Public Records
03 Encyclopedias, books of facts
04 Directories
045 Directories--people finding--addresses/phone
05 Periodicals and periodical indexes
055 Full-text periodical locator
06 Associations, organizations, museums
07 News, journalism
08 Quotations
09 Manuscripts, rare books
1 Philosophy, psychology, ethics
10 Philosophy
108 Ancient, medieval, Eastern philosophy
109 Modern western philosophy
15 Psychology
16 Logic
17 Ethics
2 Religion
22 Bible
23 Christianity
29 Comparative, non-Christian religions
292 Greek and Roman religions
294 Religions of Indic origin
296 Judaism
297 Islam
299 Other religions
3 Social sciences
30 Social sciences, sociology, anthropology
301 Sociology, anthropology
304 Population
30499 Factors affecting social behavior
31 Statistics
32 Politics
323 Civil and human rights
327 International Relations
33 Economics
331 Labor Economics
34 Law
341 International law
342 Constitutional, administrative law
343 Tax, trade, industrial, military law
344 Labor, social, education, cultural law
3444 Health, safety, environmental law
34446 Environmental law
346 Private law
3464 Intellectual Property
347 Civil procedure, courts
348 Statutes, regulations, cases
3481 Statutes
3482 Regulations
3483 Cases
349 Foreign law
35 Public administration, military science
36 Social problems, social services, environment
362 Social welfare
363 Environment, social problems
364 Criminology
37 Education
38 Commerce, communications, transportation
39 Customs, women's studies, etiquette, folklore
396 Women's studies
398 Mythology, legends
4 Language, linguistics
41 Linguistics
42 English language
423 English dictionaries
43 German, related languages
44 French Language
45 Italian, Romanian, related languages
46 Spanish, Portuguese languages
47 Latin and Italic languages
48 Classical and modern Greek languages
49 Other Languages
5 Science
51 Mathematics
52 Astronomy
53 Physics
532 Fluid mechanics
54 Chemistry
55 Earth sciences
551 Geology, hydrology
554 Weather
56 Fossils, prehistoric life
57 Biology
572 Biochemistry
576 Genetics, evolution
577 Ecology
579 Microorganisms, fungi, algae
58 Plants
59 Animals
595 Insects, arthropods
6 Applied science, medicine, business, technology
60 Technology
608 Patents and inventions
61 Medicine
611 Human anatomy, cytology, histology
612 Human physiology
615 Pharmacology
616 Diseases
618 Medical specialities
62 Engineering
622 Mining
63 Agriculture
634 Forestry
635 Gardening
636 Animal husbandry
639 Hunting, fishing, conservation
64 Home and family management
65 Business, management
657 Accountancy
659 Advertising
66 Chemical engineering
67 Manufacturing
69 Building, construction
7 Arts, entertainment, sport
71 Landscaping, area planning
72 Architecture
73 Sculpture, ceramics, metalwork
74 Drawing, decorative arts
76 Graphic arts
77 Photography
78 Music
79 Recreation, performing arts
791 Public entertainments
7914 Cinema
792 Theatre
7928 Dance
8 Literature
81 American literature
82 English literature
83 German and related literatures
84 French and related literatures
85 Italian and related literatures
86 Spanish and Portuguese literatures
87 Latin and Italic literatures
88 Classical and modern Greek literatures
89 Other literatures
895 Literature--Asia
9 History, geography, biography
91 Geography, travel, maps
912 Cartography, maps, atlases
913 Geography--ancient world
92 Biography
929 Genealogy
93 History--ancient world
937 History--ancient Rome
938 History--ancient Greece
94 History--Europe
947 History--eastern Europe
95 History--Asia
96 History of Africa
97 History--north America
971 Canada
972 History--middle America
973 History--U.S.
98 History--South America
99 History of other regions
M Multidisciplinary