Classification
300 - Social sciences
9,188
001 - Knowledge
2,952
301 - Sociology & anthropology
824
306 - Culture & institutions
729
320 - Political science
677
006 - Special computer methods
624
305 - Social groups
556
900 - History & geography
549
304 - Factors affecting social behavior
479
330 - Economics
479
500 - Natural sciences & mathematics
439
519 - Probabilities & applied mathematics
406
005 - Computer programming, programs & data
350
004 - Data processing & computer science
343
363 - Other social problems & services
286
658 - General management
284
302 - Social interaction
253
303 - Social processes
242
370 - Education
232
333 - Economics of land & energy
221
338 - Production
207
620 - Engineering & allied operations
181
150 - Psychology
170
361 - Social problems & social welfare in general
168
610 - Medicine & health
160
140 - Specific philosophical schools
155
371 - Schools & their activities; special education
144
700 - The arts; fine & decorative arts
139
364 - Criminology
135
340 - Law
131
331 - Labor economics
125
621 - Applied physics
125
100 - Philosophy & psychology
114
530 - Physics
106
616 - Diseases
92
332 - Financial economics
91
362 - Social welfare problems & services
87
307 - Communities
80
501 - Philosophy & theory
79
600 - Technology
78
551 - Geology, hydrology & meteorology
76
650 - Management & auxiliary services
76
170 - Ethics
75
577 - Ecology
69
003 - Systems
66
630 - Agriculture & related technologies
64
155 - Differential & developmental psychology
60
510 - Mathematics
58
910 - Geography & travel
56
200 - Religion
55
more ...