Classification
301 - Sociology & anthropology
1,614
306 - Culture & institutions
346
320 - Political science
264
305 - Social groups
255
300 - Social sciences
149
302 - Social interaction
138
304 - Factors affecting social behavior
56
370 - Education
51
338 - Production
48
327 - International relations
46
361 - Social problems & social welfare in general
46
155 - Differential & developmental psychology
37
616 - Diseases
29
070 - News media, journalism & publishing
28
658 - General management
24
364 - Criminology
19
150 - Psychology
17
613 - Personal health & safety
16
614 - Incidence & prevention of disease
14
650 - Management & auxiliary services
14
333 - Economics of land & energy
13
330 - Economics
12
610 - Medicine & health
12
158 - Applied psychology
11
170 - Ethics
11
331 - Labor economics
11
339 - Macroeconomics & related topics
11
337 - International economics
10
303 - Social processes
8
307 - Communities
8
551 - Geology, hydrology & meteorology
8
201 - Religious mythology & social theology
7
372 - Elementary education
7
620 - Engineering & allied operations
7
325 - International migration & colonization
6
340 - Law
6
342 - Constitutional & administrative law
6
363 - Other social problems & services
6
500 - Natural sciences & mathematics
5
900 - History & geography
5
630 - Agriculture & related technologies
4
809 - History, description & criticism
4
930 - History of ancient world to ca. 499
4
960 - History of Africa
4
200 - Religion
3
355 - Military science
3
362 - Social welfare problems & services
3
371 - Schools & their activities; special education
3
374 - Adult education
3
379 - Public policy issues in education
3
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