Classification
170 - Ethics
363 - Other social problems & services
581 - Specific topics in natural history
700 - The arts; fine & decorative arts
100 - Philosophy & psychology
3
140 - Specific philosophical schools
3
333 - Economics of land & energy
3
200 - Religion
2
320 - Political science
2
330 - Economics
2
340 - Law
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
500 - Natural sciences & mathematics
1
530 - Physics
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
900 - History & geography
1