Classification
320 - Political science
239
300 - Social sciences
173
900 - History & geography
93
330 - Economics
76
340 - Law
73
100 - Philosophy & psychology
54
700 - The arts; fine & decorative arts
48
370 - Education
38
600 - Technology
29
200 - Religion
23
301 - Sociology & anthropology
21
140 - Specific philosophical schools
18
304 - Factors affecting social behavior
17
800 - Literature & rhetoric
15
363 - Other social problems & services
14
170 - Ethics
13
610 - Medicine & health
13
380 - Commerce, communications & transportation
11
576 - Genetics & evolution
10
780 - Music
9
297 - Islam, Babism & Bahai Faith
8
400 - Language
8
000 - Computer science, information & general works
7
303 - Social processes
7
306 - Culture & institutions
7
333 - Economics of land & energy
7
302 - Social interaction
5
305 - Social groups
5
410 - Linguistics
5
581 - Specific topics in natural history
5
620 - Engineering & allied operations
5
120 - Epistemology, causation & humankind
3
361 - Social problems & social welfare in general
3
384 - Communications; telecommunication
3
551 - Geology, hydrology & meteorology
3
658 - General management
3
720 - Architecture
3
150 - Psychology
2
155 - Differential & developmental psychology
2
296 - Judaism
2
322 - Relation of state to organized groups
2
338 - Production
2
364 - Criminology
2
630 - Agriculture & related technologies
2
782 - Vocal music
2
005 - Computer programming, programs & data
1
006 - Special computer methods
1
016 - Bibliographies of works on specific subjects
1
020 - Library & information sciences
1
128 - Humankind
1
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