Classification
330 - Economics
10
410 - Linguistics
320 - Political science
7
333 - Economics of land & energy
7
363 - Other social problems & services
7
800 - Literature & rhetoric
5
200 - Religion
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
340 - Law
3
380 - Commerce, communications & transportation
3
400 - Language
3
576 - Genetics & evolution
3
900 - History & geography
3
100 - Philosophy & psychology
2
581 - Specific topics in natural history
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
610 - Medicine & health
1
780 - Music
1