Classification
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
5
320 - Political science
7
330 - Economics
10
333 - Economics of land & energy
1
336 - Public finance
2
340 - Law
2
363 - Other social problems & services
2
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
2
410 - Linguistics
3
600 - Technology
1
610 - Medicine & health
5
780 - Music
5
900 - History & geography
1