Classification
140 - Specific philosophical schools
2
170 - Ethics
320 - Political science
333 - Economics of land & energy
2
363 - Other social problems & services
370 - Education
700 - The arts; fine & decorative arts
2
100 - Philosophy & psychology
1
200 - Religion
1
551 - Geology, hydrology & meteorology
1
610 - Medicine & health
1