Classification
610 - Medicine & health
340 - Law
24
170 - Ethics
7
140 - Specific philosophical schools
4
100 - Philosophy & psychology
3
333 - Economics of land & energy
2
380 - Commerce, communications & transportation
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
363 - Other social problems & services
1
581 - Specific topics in natural history
1
600 - Technology
1
615 - Pharmacology & therapeutics
1
700 - The arts; fine & decorative arts
1
900 - History & geography
1