Classification
305 - Social groups
225
320 - Political science
221
900 - History & geography
176
300 - Social sciences
174
304 - Factors affecting social behavior
116
306 - Culture & institutions
105
301 - Sociology & anthropology
90
330 - Economics
90
700 - The arts; fine & decorative arts
67
610 - Medicine & health
55
140 - Specific philosophical schools
53
200 - Religion
51
370 - Education
49
333 - Economics of land & energy
43
800 - Literature & rhetoric
42
100 - Philosophy & psychology
33
340 - Law
32
000 - Computer science, information & general works
28
400 - Language
26
297 - Islam, Babism & Bahai Faith
25
361 - Social problems & social welfare in general
24
363 - Other social problems & services
22
380 - Commerce, communications & transportation
19
410 - Linguistics
19
940 - History of Europe
19
364 - Criminology
16
327 - International relations
15
303 - Social processes
13
323 - Civil & political rights
12
338 - Production
12
580 - Plants (Botany)
12
600 - Technology
11
307 - Communities
10
500 - Natural sciences & mathematics
9
614 - Incidence & prevention of disease
9
576 - Genetics & evolution
8
658 - General management
8
809 - History, description & criticism
8
296 - Judaism
7
371 - Schools & their activities; special education
7
378 - Higher education
7
581 - Specific topics in natural history
7
720 - Architecture
7
960 - History of Africa
7
150 - Psychology
6
155 - Differential & developmental psychology
6
342 - Constitutional & administrative law
6
398 - Folklore
6
780 - Music
6
170 - Ethics
5
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