Classification
306 - Culture & institutions
357
302 - Social interaction
327
300 - Social sciences
79
610 - Medicine & health
75
301 - Sociology & anthropology
66
305 - Social groups
40
320 - Political science
33
303 - Social processes
29
791 - Public performances
27
070 - News media, journalism & publishing
26
330 - Economics
25
361 - Social problems & social welfare in general
21
613 - Personal health & safety
20
614 - Incidence & prevention of disease
17
100 - Philosophy & psychology
15
900 - History & geography
14
304 - Factors affecting social behavior
13
658 - General management
11
340 - Law
9
616 - Diseases
9
006 - Special computer methods
8
333 - Economics of land & energy
8
370 - Education
8
380 - Commerce, communications & transportation
8
700 - The arts; fine & decorative arts
8
170 - Ethics
7
140 - Specific philosophical schools
6
150 - Psychology
6
600 - Technology
6
000 - Computer science, information & general works
5
004 - Data processing & computer science
5
910 - Geography & travel
5
005 - Computer programming, programs & data
4
364 - Criminology
4
571 - Physiology & related subjects
4
200 - Religion
3
338 - Production
3
362 - Social welfare problems & services
3
363 - Other social problems & services
3
570 - Life sciences; biology
3
601 - Philosophy & theory
3
003 - Systems
2
155 - Differential & developmental psychology
2
327 - International relations
2
343 - Military, tax, trade & industrial law
2
371 - Schools & their activities; special education
2
400 - Language
2
410 - Linguistics
2
418 - Standard usage & applied linguistics
2
599 - Mammals
2
more ...