Classification
700 - The arts; fine & decorative arts
900 - History & geography
91
780 - Music
17
320 - Political science
15
800 - Literature & rhetoric
15
100 - Philosophy & psychology
14
300 - Social sciences
13
200 - Religion
12
720 - Architecture
12
140 - Specific philosophical schools
11
301 - Sociology & anthropology
4
380 - Commerce, communications & transportation
4
304 - Factors affecting social behavior
3
400 - Language
3
600 - Technology
3
170 - Ethics
2
333 - Economics of land & energy
2
340 - Law
2
370 - Education
2
410 - Linguistics
2
770 - Photography, photographs & computer art
2
297 - Islam, Babism & Bahai Faith
1
330 - Economics
1
414 - Phonology & phonetics
1
530 - Physics
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1