Classification
100 - Philosophy & psychology
340 - Law
320 - Political science
16
140 - Specific philosophical schools
11
900 - History & geography
10
170 - Ethics
6
200 - Religion
6
300 - Social sciences
6
330 - Economics
5
700 - The arts; fine & decorative arts
4
301 - Sociology & anthropology
3
120 - Epistemology, causation & humankind
2
296 - Judaism
1
333 - Economics of land & energy
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
364 - Criminology
1
370 - Education
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
770 - Photography, photographs & computer art
1
780 - Music
1
800 - Literature & rhetoric
1