Classification
300 - Social sciences
5
370 - Education
5
700 - The arts; fine & decorative arts
100 - Philosophy & psychology
3
320 - Political science
3
333 - Economics of land & energy
2
900 - History & geography
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
330 - Economics
1
600 - Technology
1
800 - Literature & rhetoric
1