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