Classification
305 - Social groups
118
306 - Culture & institutions
112
301 - Sociology & anthropology
77
304 - Factors affecting social behavior
71
361 - Social problems & social welfare in general
47
300 - Social sciences
41
320 - Political science
36
307 - Communities
24
338 - Production
13
364 - Criminology
9
302 - Social interaction
7
333 - Economics of land & energy
5
370 - Education
5
155 - Differential & developmental psychology
4
345 - Criminal law
4
303 - Social processes
3
327 - International relations
3
610 - Medicine & health
3
614 - Incidence & prevention of disease
3
150 - Psychology
2
331 - Labor economics
2
339 - Macroeconomics & related topics
2
363 - Other social problems & services
2
372 - Elementary education
2
379 - Public policy issues in education
2
551 - Geology, hydrology & meteorology
2
613 - Personal health & safety
2
174 - Occupational ethics
1
297 - Islam, Babism & Bahai Faith
1
323 - Civil & political rights
1
330 - Economics
1
340 - Law
1
371 - Schools & their activities; special education
1
378 - Higher education
1
418 - Standard usage & applied linguistics
1
571 - Physiology & related subjects
1
700 - The arts; fine & decorative arts
1
770 - Photography, photographs & computer art
1
791 - Public performances
1
973 - United States
1