Classification
361 - Social problems & social welfare in general
374
320 - Political science
228
330 - Economics
181
306 - Culture & institutions
157
305 - Social groups
106
304 - Factors affecting social behavior
89
338 - Production
84
300 - Social sciences
76
364 - Criminology
43
610 - Medicine & health
41
301 - Sociology & anthropology
39
331 - Labor economics
35
362 - Social welfare problems & services
25
333 - Economics of land & energy
23
658 - General management
23
360 - Social problems & services; associations
22
900 - History & geography
21
303 - Social processes
18
613 - Personal health & safety
18
327 - International relations
16
370 - Education
16
614 - Incidence & prevention of disease
16
307 - Communities
14
340 - Law
14
700 - The arts; fine & decorative arts
14
616 - Diseases
13
332 - Financial economics
11
363 - Other social problems & services
11
571 - Physiology & related subjects
11
174 - Occupational ethics
10
302 - Social interaction
10
100 - Philosophy & psychology
9
140 - Specific philosophical schools
9
155 - Differential & developmental psychology
9
170 - Ethics
8
353 - Specific fields of public administration
8
339 - Macroeconomics & related topics
7
344 - Labor, social, education & cultural law
7
323 - Civil & political rights
6
336 - Public finance
6
337 - International economics
6
379 - Public policy issues in education
6
380 - Commerce, communications & transportation
6
630 - Agriculture & related technologies
6
150 - Psychology
5
341 - Law of nations
5
342 - Constitutional & administrative law
5
350 - Public administration & military science
5
551 - Geology, hydrology & meteorology
5
000 - Computer science, information & general works
4
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