Classification
170 - Ethics
300 - Social sciences
200 - Religion
3
330 - Economics
3
100 - Philosophy & psychology
2
320 - Political science
2
581 - Specific topics in natural history
2
900 - History & geography
2
140 - Specific philosophical schools
1
158 - Applied psychology
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
338 - Production
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
600 - Technology
1
650 - Management & auxiliary services
1
658 - General management
1
700 - The arts; fine & decorative arts
1