Classification
140 - Specific philosophical schools
200 - Religion
700 - The arts; fine & decorative arts
17
900 - History & geography
12
100 - Philosophy & psychology
6
170 - Ethics
6
780 - Music
5
320 - Political science
3
363 - Other social problems & services
3
720 - Architecture
3
120 - Epistemology, causation & humankind
2
300 - Social sciences
2
301 - Sociology & anthropology
2
370 - Education
2
400 - Language
2
581 - Specific topics in natural history
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
770 - Photography, photographs & computer art
1