Classification
100 - Philosophy & psychology
170 - Ethics
320 - Political science
370 - Education
140 - Specific philosophical schools
2
200 - Religion
2
300 - Social sciences
2
900 - History & geography
2
120 - Epistemology, causation & humankind
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1