Classification
700 - The arts; fine & decorative arts
300 - Social sciences
6
100 - Philosophy & psychology
4
600 - Technology
4
320 - Political science
3
720 - Architecture
3
900 - History & geography
3
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
2
301 - Sociology & anthropology
2
340 - Law
2
160 - Logic
1
200 - Religion
1
304 - Factors affecting social behavior
1
330 - Economics
1
363 - Other social problems & services
1
364 - Criminology
1
500 - Natural sciences & mathematics
1
530 - Physics
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1