Classification
300 - Social sciences
6,972
001 - Knowledge
2,857
306 - Culture & institutions
769
305 - Social groups
712
361 - Social problems & social welfare in general
615
301 - Sociology & anthropology
592
320 - Political science
481
330 - Economics
333
304 - Factors affecting social behavior
279
302 - Social interaction
275
900 - History & geography
201
370 - Education
199
150 - Psychology
167
658 - General management
167
519 - Probabilities & applied mathematics
146
344 - Labor, social, education & cultural law
128
610 - Medicine & health
113
155 - Differential & developmental psychology
104
620 - Engineering & allied operations
88
616 - Diseases
79
331 - Labor economics
72
650 - Management & auxiliary services
70
158 - Applied psychology
60
340 - Law
58
338 - Production
54
303 - Social processes
40
006 - Special computer methods
37
530 - Physics
36
100 - Philosophy & psychology
35
174 - Occupational ethics
34
700 - The arts; fine & decorative arts
33
621 - Applied physics
32
307 - Communities
29
070 - News media, journalism & publishing
26
170 - Ethics
26
200 - Religion
25
371 - Schools & their activities; special education
24
943 - Central Europe; Germany
24
333 - Economics of land & energy
23
372 - Elementary education
23
381 - Commerce
23
005 - Computer programming, programs & data
22
364 - Criminology
22
800 - Literature & rhetoric
22
362 - Social welfare problems & services
21
500 - Natural sciences & mathematics
21
510 - Mathematics
20
327 - International relations
19
571 - Physiology & related subjects
19
363 - Other social problems & services
18
more ...