Classification
100 - Philosophy & psychology
576 - Genetics & evolution
900 - History & geography
320 - Political science
7
300 - Social sciences
4
330 - Economics
3
301 - Sociology & anthropology
2
340 - Law
2
600 - Technology
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
200 - Religion
1
296 - Judaism
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
370 - Education
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
920 - Biography, genealogy & insignia
1