Classification
306 - Culture & institutions
745
300 - Social sciences
397
900 - History & geography
346
320 - Political science
273
301 - Sociology & anthropology
256
700 - The arts; fine & decorative arts
219
302 - Social interaction
210
800 - Literature & rhetoric
185
304 - Factors affecting social behavior
153
305 - Social groups
130
330 - Economics
124
100 - Philosophy & psychology
121
791 - Public performances
108
140 - Specific philosophical schools
106
200 - Religion
88
370 - Education
79
658 - General management
68
000 - Computer science, information & general works
63
610 - Medicine & health
63
780 - Music
61
380 - Commerce, communications & transportation
60
600 - Technology
59
338 - Production
54
340 - Law
50
400 - Language
47
363 - Other social problems & services
46
333 - Economics of land & energy
43
410 - Linguistics
42
303 - Social processes
38
930 - History of ancient world to ca. 499
38
809 - History, description & criticism
36
170 - Ethics
29
720 - Architecture
28
327 - International relations
26
307 - Communities
24
500 - Natural sciences & mathematics
23
331 - Labor economics
22
620 - Engineering & allied operations
22
297 - Islam, Babism & Bahai Faith
21
361 - Social problems & social welfare in general
19
630 - Agriculture & related technologies
17
910 - Geography & travel
17
384 - Communications; telecommunication
16
418 - Standard usage & applied linguistics
14
551 - Geology, hydrology & meteorology
14
770 - Photography, photographs & computer art
14
150 - Psychology
13
003 - Systems
12
155 - Differential & developmental psychology
12
362 - Social welfare problems & services
12
more ...