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