Classification
340 - Law
28
610 - Medicine & health
27
170 - Ethics
9
140 - Specific philosophical schools
4
100 - Philosophy & psychology
3
333 - Economics of land & energy
2
361 - Social problems & social welfare in general
2
380 - Commerce, communications & transportation
2
200 - Religion
1
300 - Social sciences
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
344 - Labor, social, education & cultural law
1
363 - Other social problems & services
1
368 - Insurance
1
370 - Education
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