Classification
100 - Philosophy & psychology
3
140 - Specific philosophical schools
2
170 - Ethics
200 - Religion
297 - Islam, Babism & Bahai Faith
1
320 - Political science
1
333 - Economics of land & energy
2
340 - Law
1
363 - Other social problems & services
2
370 - Education
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
610 - Medicine & health
700 - The arts; fine & decorative arts
900 - History & geography
1