Classification
580 - Plants (Botany)
600 - Technology
620 - Engineering & allied operations
6
700 - The arts; fine & decorative arts
5
333 - Economics of land & energy
4
340 - Law
4
630 - Agriculture & related technologies
4
140 - Specific philosophical schools
3
170 - Ethics
3
363 - Other social problems & services
3
576 - Genetics & evolution
3
610 - Medicine & health
3
900 - History & geography
3
000 - Computer science, information & general works
2
300 - Social sciences
2
380 - Commerce, communications & transportation
2
658 - General management
2
720 - Architecture
2
800 - Literature & rhetoric
2
320 - Political science
1
330 - Economics
1
336 - Public finance
1
370 - Education
1
612 - Human physiology
1