Classification
170 - Ethics
200 - Religion
340 - Law
600 - Technology
100 - Philosophy & psychology
5
300 - Social sciences
4
363 - Other social problems & services
4
370 - Education
4
120 - Epistemology, causation & humankind
3
320 - Political science
3
610 - Medicine & health
3
900 - History & geography
3
301 - Sociology & anthropology
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
580 - Plants (Botany)
1
700 - The arts; fine & decorative arts
1