Classification
300 - Social sciences
136
301 - Sociology & anthropology
55
306 - Culture & institutions
39
320 - Political science
26
304 - Factors affecting social behavior
20
519 - Probabilities & applied mathematics
13
305 - Social groups
12
361 - Social problems & social welfare in general
11
150 - Psychology
10
302 - Social interaction
5
338 - Production
4
364 - Criminology
4
658 - General management
4
170 - Ethics
3
330 - Economics
3
551 - Geology, hydrology & meteorology
3
003 - Systems
2
004 - Data processing & computer science
2
155 - Differential & developmental psychology
2
327 - International relations
2
379 - Public policy issues in education
2
930 - History of ancient world to ca. 499
2
005 - Computer programming, programs & data
1
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
1
158 - Applied psychology
1
210 - Philosophy & theory of religion
1
324 - The political process
1
328 - The legislative process
1
331 - Labor economics
1
337 - International economics
1
344 - Labor, social, education & cultural law
1
355 - Military science
1
363 - Other social problems & services
1
371 - Schools & their activities; special education
1
372 - Elementary education
1
378 - Higher education
1
600 - Technology
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1
616 - Diseases
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
621 - Applied physics
1
650 - Management & auxiliary services
1
710 - Civic & landscape art
1
907 - Education, research & related topics
1