Classification
100 - Philosophy & psychology
320 - Political science
363 - Other social problems & services
8
600 - Technology
900 - History & geography
300 - Social sciences
7
370 - Education
5
120 - Epistemology, causation & humankind
4
170 - Ethics
4
330 - Economics
4
340 - Law
4
200 - Religion
3
000 - Computer science, information & general works
2
333 - Economics of land & energy
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
610 - Medicine & health
1