Classification
140 - Specific philosophical schools
170 - Ethics
580 - Plants (Botany)
340 - Law
5
600 - Technology
4
610 - Medicine & health
4
700 - The arts; fine & decorative arts
4
300 - Social sciences
3
576 - Genetics & evolution
3
620 - Engineering & allied operations
3
900 - History & geography
3
100 - Philosophy & psychology
2
120 - Epistemology, causation & humankind
2
333 - Economics of land & energy
2
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
630 - Agriculture & related technologies
2
720 - Architecture
2
800 - Literature & rhetoric
2
200 - Religion
1
320 - Political science
1
530 - Physics
1
658 - General management
1