Classification
300 - Social sciences
370 - Education
320 - Political science
9
100 - Philosophy & psychology
8
140 - Specific philosophical schools
5
301 - Sociology & anthropology
5
380 - Commerce, communications & transportation
5
900 - History & geography
5
600 - Technology
4
333 - Economics of land & energy
3
610 - Medicine & health
3
700 - The arts; fine & decorative arts
3
200 - Religion
2
400 - Language
2
800 - Literature & rhetoric
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
414 - Phonology & phonetics
1
620 - Engineering & allied operations
1