Classification
301 - Sociology & anthropology
15
658 - General management
13
306 - Culture & institutions
12
530 - Physics
8
500 - Natural sciences & mathematics
6
300 - Social sciences
5
370 - Education
5
330 - Economics
3
378 - Higher education
3
650 - Management & auxiliary services
3
304 - Factors affecting social behavior
2
305 - Social groups
2
340 - Law
2
003 - Systems
1
155 - Differential & developmental psychology
1
302 - Social interaction
1
320 - Political science
1
338 - Production
1
342 - Constitutional & administrative law
1
351 - Public administration
1
362 - Social welfare problems & services
1
371 - Schools & their activities; special education
1
374 - Adult education
1
539 - Modern physics
1
570 - Life sciences; biology
1
610 - Medicine & health
1
616 - Diseases
1
621 - Applied physics
1
657 - Accounting
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1
910 - Geography & travel
1