Classification
200 - Religion
320 - Political science
330 - Economics
370 - Education
900 - History & geography
5
300 - Social sciences
3
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
333 - Economics of land & energy
1
340 - Law
1
360 - Social problems & services; associations
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
400 - Language
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1