Classification
300 - Social sciences
320 - Political science
363 - Other social problems & services
576 - Genetics & evolution
900 - History & geography
100 - Philosophy & psychology
2
330 - Economics
2
333 - Economics of land & energy
2
581 - Specific topics in natural history
2
000 - Computer science, information & general works
1
301 - Sociology & anthropology
1
350 - Public administration & military science
1
600 - Technology
1
610 - Medicine & health
1
700 - The arts; fine & decorative arts
1