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