Classification
140 - Specific philosophical schools
170 - Ethics
320 - Political science
100 - Philosophy & psychology
6
340 - Law
5
300 - Social sciences
2
600 - Technology
2
700 - The arts; fine & decorative arts
2
200 - Religion
1
296 - Judaism
1
301 - Sociology & anthropology
1
330 - Economics
1
333 - Economics of land & energy
1
360 - Social problems & services; associations
1
361 - Social problems & social welfare in general
1
363 - Other social problems & services
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
900 - History & geography
1