Classification
610 - Medicine & health
000 - Computer science, information & general works
7
333 - Economics of land & energy
6
580 - Plants (Botany)
5
620 - Engineering & allied operations
5
600 - Technology
4
363 - Other social problems & services
3
630 - Agriculture & related technologies
3
700 - The arts; fine & decorative arts
3
100 - Philosophy & psychology
2
330 - Economics
2
380 - Commerce, communications & transportation
2
576 - Genetics & evolution
2
140 - Specific philosophical schools
1
361 - Social problems & social welfare in general
1
581 - Specific topics in natural history
1
658 - General management
1