Classification
301 - Sociology & anthropology
200 - Religion
6
380 - Commerce, communications & transportation
6
900 - History & geography
6
300 - Social sciences
4
370 - Education
4
700 - The arts; fine & decorative arts
4
320 - Political science
3
000 - Computer science, information & general works
2
140 - Specific philosophical schools
2
304 - Factors affecting social behavior
2
530 - Physics
2
576 - Genetics & evolution
2
100 - Philosophy & psychology
1
297 - Islam, Babism & Bahai Faith
1
333 - Economics of land & energy
1
340 - Law
1
398 - Folklore
1
400 - Language
1
600 - Technology
1
780 - Music
1