Classification
200 - Religion
363 - Other social problems & services
600 - Technology
610 - Medicine & health
170 - Ethics
2
300 - Social sciences
2
340 - Law
2
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
581 - Specific topics in natural history
1
700 - The arts; fine & decorative arts
1