Classification
610 - Medicine & health
300 - Social sciences
24
330 - Economics
24
900 - History & geography
10
140 - Specific philosophical schools
8
333 - Economics of land & energy
8
370 - Education
8
100 - Philosophy & psychology
7
340 - Law
7
600 - Technology
7
700 - The arts; fine & decorative arts
6
301 - Sociology & anthropology
5
304 - Factors affecting social behavior
5
620 - Engineering & allied operations
5
320 - Political science
4
361 - Social problems & social welfare in general
4
000 - Computer science, information & general works
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
306 - Culture & institutions
1
360 - Social problems & services; associations
1
400 - Language
1
630 - Agriculture & related technologies
1
780 - Music
1
791 - Public performances
1