Classification
300 - Social sciences
9
333 - Economics of land & energy
370 - Education
9
320 - Political science
5
100 - Philosophy & psychology
4
363 - Other social problems & services
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
330 - Economics
1
350 - Public administration & military science
1
398 - Folklore
1
600 - Technology
1
610 - Medicine & health
1
800 - Literature & rhetoric
1