Classification
300 - Social sciences
800 - Literature & rhetoric
900 - History & geography
45
140 - Specific philosophical schools
20
320 - Political science
16
700 - The arts; fine & decorative arts
16
100 - Philosophy & psychology
15
301 - Sociology & anthropology
14
410 - Linguistics
12
200 - Religion
11
340 - Law
9
370 - Education
9
333 - Economics of land & energy
7
400 - Language
7
330 - Economics
6
363 - Other social problems & services
6
610 - Medicine & health
6
170 - Ethics
4
600 - Technology
4
720 - Architecture
4
780 - Music
4
380 - Commerce, communications & transportation
3
398 - Folklore
3
000 - Computer science, information & general works
2
297 - Islam, Babism & Bahai Faith
2
620 - Engineering & allied operations
2
120 - Epistemology, causation & humankind
1
304 - Factors affecting social behavior
1
581 - Specific topics in natural history
1
658 - General management
1