Classification
140 - Specific philosophical schools
380 - Commerce, communications & transportation
700 - The arts; fine & decorative arts
5
330 - Economics
4
333 - Economics of land & energy
4
370 - Education
4
600 - Technology
4
320 - Political science
3
363 - Other social problems & services
3
610 - Medicine & health
3
000 - Computer science, information & general works
2
340 - Law
2
400 - Language
2
720 - Architecture
2
100 - Philosophy & psychology
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
551 - Geology, hydrology & meteorology
1
620 - Engineering & allied operations
1
658 - General management
1
900 - History & geography
1