Classification
200 - Religion
320 - Political science
3
380 - Commerce, communications & transportation
900 - History & geography
3
300 - Social sciences
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
576 - Genetics & evolution
1
600 - Technology
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1