Classification
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
2
140 - Specific philosophical schools
2
170 - Ethics
200 - Religion
530 - Physics
2
580 - Plants (Botany)
700 - The arts; fine & decorative arts
340 - Law
1
363 - Other social problems & services
1
500 - Natural sciences & mathematics
1
581 - Specific topics in natural history
1