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