Classification
306 - Culture & institutions
769
300 - Social sciences
400
900 - History & geography
347
320 - Political science
273
301 - Sociology & anthropology
255
700 - The arts; fine & decorative arts
219
302 - Social interaction
210
800 - Literature & rhetoric
185
304 - Factors affecting social behavior
152
305 - Social groups
129
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
70
000 - Computer science, information & general works
65
610 - Medicine & health
62
780 - Music
61
380 - Commerce, communications & transportation
60
600 - Technology
59
338 - Production
55
340 - Law
50
400 - Language
47
333 - Economics of land & energy
44
363 - Other social problems & services
44
410 - Linguistics
42
303 - Social processes
38
809 - History, description & criticism
36
930 - History of ancient world to ca. 499
36
170 - Ethics
29
720 - Architecture
28
327 - International relations
26
307 - Communities
23
620 - Engineering & allied operations
23
331 - Labor economics
22
500 - Natural sciences & mathematics
22
297 - Islam, Babism & Bahai Faith
20
361 - Social problems & social welfare in general
19
150 - Psychology
17
630 - Agriculture & related technologies
17
910 - Geography & travel
17
384 - Communications; telecommunication
16
551 - Geology, hydrology & meteorology
14
770 - Photography, photographs & computer art
14
362 - Social welfare problems & services
13
418 - Standard usage & applied linguistics
13
155 - Differential & developmental psychology
12
371 - Schools & their activities; special education
12
more ...