Classification
551 - Geology, hydrology & meteorology
580 - Plants (Botany)
700 - The arts; fine & decorative arts
363 - Other social problems & services
9
000 - Computer science, information & general works
8
610 - Medicine & health
6
581 - Specific topics in natural history
5
620 - Engineering & allied operations
5
333 - Economics of land & energy
4
380 - Commerce, communications & transportation
4
612 - Human physiology
4
140 - Specific philosophical schools
3
300 - Social sciences
3
414 - Phonology & phonetics
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
576 - Genetics & evolution
3
600 - Technology
3
630 - Agriculture & related technologies
2
720 - Architecture
2
550 - Earth sciences
1
658 - General management
1