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