Classification
306 - Culture & institutions
48
305 - Social groups
36
307 - Communities
22
303 - Social processes
20
301 - Sociology & anthropology
19
362 - Social welfare problems & services
17
300 - Social sciences
15
304 - Factors affecting social behavior
10
325 - International migration & colonization
9
338 - Production
9
363 - Other social problems & services
8
302 - Social interaction
7
340 - Law
6
378 - Higher education
6
121 - Epistemology
5
320 - Political science
5
342 - Constitutional & administrative law
5
371 - Schools & their activities; special education
5
297 - Islam, Babism & Bahai Faith
4
331 - Labor economics
4
333 - Economics of land & energy
4
364 - Criminology
3
370 - Education
3
398 - Folklore
3
636 - Animal husbandry
3
940 - History of Europe
3
001 - Knowledge
2
230 - Christianity & Christian theology
2
321 - Systems of governments & states
2
327 - International relations
2
330 - Economics
2
337 - International economics
2
346 - Private law
2
355 - Military science
2
361 - Social problems & social welfare in general
2
379 - Public policy issues in education
2
808 - Rhetoric & collections of literature
2
973 - United States
2
133 - Specific topics in parapsychology & occultism
1
152 - Perception, movement, emotions & drives
1
155 - Differential & developmental psychology
1
160 - Logic
1
174 - Occupational ethics
1
193 - Philosophy of Germany & Austria
1
201 - Religious mythology & social theology
1
261 - Social theology
1
308 - [Unassigned]
1
322 - Relation of state to organized groups
1
334 - Cooperatives
1
341 - Law of nations
1
more ...