Classification
140 - Specific philosophical schools
300 - Social sciences
301 - Sociology & anthropology
620 - Engineering & allied operations
900 - History & geography
4
330 - Economics
3
370 - Education
3
600 - Technology
3
100 - Philosophy & psychology
2
340 - Law
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
610 - Medicine & health
2
630 - Agriculture & related technologies
2
700 - The arts; fine & decorative arts
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
320 - Political science
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
720 - Architecture
1
780 - Music
1
800 - Literature & rhetoric
1