Classification
100 - Philosophy & psychology
200 - Religion
800 - Literature & rhetoric
900 - History & geography
21
170 - Ethics
14
140 - Specific philosophical schools
13
410 - Linguistics
13
700 - The arts; fine & decorative arts
10
320 - Political science
4
330 - Economics
4
400 - Language
4
000 - Computer science, information & general works
3
120 - Epistemology, causation & humankind
2
301 - Sociology & anthropology
2
370 - Education
2
780 - Music
2
880 - Hellenic literatures; classical Greek
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
333 - Economics of land & energy
1
340 - Law
1
363 - Other social problems & services
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
770 - Photography, photographs & computer art
1