Classification
000 - Computer science, information & general works
12
580 - Plants (Botany)
9
700 - The arts; fine & decorative arts
7
610 - Medicine & health
6
600 - Technology
4
333 - Economics of land & energy
3
363 - Other social problems & services
3
540 - Chemistry & allied sciences
3
551 - Geology, hydrology & meteorology
3
620 - Engineering & allied operations
3
630 - Agriculture & related technologies
3
576 - Genetics & evolution
2
581 - Specific topics in natural history
2
140 - Specific philosophical schools
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
720 - Architecture
1