Classification
170 - Ethics
200 - Religion
340 - Law
100 - Philosophy & psychology
12
140 - Specific philosophical schools
10
320 - Political science
4
900 - History & geography
4
297 - Islam, Babism & Bahai Faith
3
333 - Economics of land & energy
3
610 - Medicine & health
3
700 - The arts; fine & decorative arts
3
370 - Education
2
400 - Language
2
120 - Epistemology, causation & humankind
1
241 - Christian ethics
1
330 - Economics
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
530 - Physics
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
800 - Literature & rhetoric
1