Classification
306 - Culture & institutions
303
301 - Sociology & anthropology
123
300 - Social sciences
42
320 - Political science
29
158 - Applied psychology
20
305 - Social groups
20
361 - Social problems & social welfare in general
17
658 - General management
15
304 - Factors affecting social behavior
12
370 - Education
8
338 - Production
6
150 - Psychology
5
331 - Labor economics
5
650 - Management & auxiliary services
5
302 - Social interaction
4
307 - Communities
4
327 - International relations
4
170 - Ethics
3
174 - Occupational ethics
3
330 - Economics
3
670 - Manufacturing
3
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
371 - Schools & their activities; special education
2
378 - Higher education
2
600 - Technology
2
900 - History & geography
2
100 - Philosophy & psychology
1
201 - Religious mythology & social theology
1
339 - Macroeconomics & related topics
1
340 - Law
1
353 - Specific fields of public administration
1
364 - Criminology
1
374 - Adult education
1
509 - Historical, geographic & persons treatment
1
519 - Probabilities & applied mathematics
1
616 - Diseases
1
621 - Applied physics
1
641 - Food & drink
1
664 - Food technology
1
800 - Literature & rhetoric
1
909 - World history
1
919 - Geography of & travel in other areas
1