Classification
300 - Social sciences
25
370 - Education
10
361 - Social problems & social welfare in general
7
320 - Political science
6
200 - Religion
5
500 - Natural sciences & mathematics
5
700 - The arts; fine & decorative arts
5
360 - Social problems & services; associations
4
800 - Literature & rhetoric
4
304 - Factors affecting social behavior
3
340 - Law
3
363 - Other social problems & services
3
900 - History & geography
3
170 - Ethics
2
364 - Criminology
2
610 - Medicine & health
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
330 - Economics
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
530 - Physics
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
657 - Accounting
1