Classification
000 - Computer science, information & general works
140 - Specific philosophical schools
300 - Social sciences
320 - Political science
330 - Economics
7
333 - Economics of land & energy
7
700 - The arts; fine & decorative arts
6
363 - Other social problems & services
4
100 - Philosophy & psychology
3
170 - Ethics
3
200 - Religion
3
600 - Technology
3
340 - Law
2
610 - Medicine & health
2
900 - History & geography
2
120 - Epistemology, causation & humankind
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1