Classification
301 - Sociology & anthropology
700 - The arts; fine & decorative arts
9
100 - Philosophy & psychology
7
140 - Specific philosophical schools
6
320 - Political science
5
530 - Physics
5
900 - History & geography
5
000 - Computer science, information & general works
3
363 - Other social problems & services
3
370 - Education
3
170 - Ethics
2
300 - Social sciences
2
330 - Economics
2
333 - Economics of land & energy
2
400 - Language
2
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
600 - Technology
2
110 - Metaphysics
1
120 - Epistemology, causation & humankind
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
340 - Law
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
590 - Animals (Zoology)
1
780 - Music
1
791 - Public performances
1
800 - Literature & rhetoric
1