Classification
300 - Social sciences
2,551
301 - Sociology & anthropology
211
320 - Political science
122
305 - Social groups
90
363 - Other social problems & services
90
500 - Natural sciences & mathematics
81
306 - Culture & institutions
79
330 - Economics
78
303 - Social processes
61
658 - General management
59
302 - Social interaction
41
338 - Production
38
331 - Labor economics
29
361 - Social problems & social welfare in general
27
304 - Factors affecting social behavior
25
616 - Diseases
24
150 - Psychology
20
895 - Literatures of East & Southeast Asia
20
364 - Criminology
19
398 - Folklore
18
155 - Differential & developmental psychology
16
650 - Management & auxiliary services
15
370 - Education
12
620 - Engineering & allied operations
12
001 - Knowledge
11
344 - Labor, social, education & cultural law
11
979 - Great Basin & Pacific Slope region
11
158 - Applied psychology
10
327 - International relations
10
577 - Ecology
10
070 - News media, journalism & publishing
9
610 - Medicine & health
9
340 - Law
8
362 - Social welfare problems & services
8
384 - Communications; telecommunication
8
613 - Personal health & safety
8
614 - Incidence & prevention of disease
7
621 - Applied physics
7
900 - History & geography
7
972 - Middle America; Mexico
7
333 - Economics of land & energy
6
378 - Higher education
6
791 - Public performances
6
006 - Special computer methods
5
307 - Communities
5
337 - International economics
5
379 - Public policy issues in education
5
657 - Accounting
5
809 - History, description & criticism
5
978 - Western United States
5
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