Classification
200 - Religion
16
581 - Specific topics in natural history
100 - Philosophy & psychology
4
140 - Specific philosophical schools
4
170 - Ethics
4
300 - Social sciences
3
301 - Sociology & anthropology
3
363 - Other social problems & services
3
700 - The arts; fine & decorative arts
3
000 - Computer science, information & general works
2
320 - Political science
2
330 - Economics
2
530 - Physics
2
551 - Geology, hydrology & meteorology
2
900 - History & geography
2
297 - Islam, Babism & Bahai Faith
1
333 - Economics of land & energy
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1