Classification
333 - Economics of land & energy
610 - Medicine & health
3
000 - Computer science, information & general works
2
363 - Other social problems & services
2
580 - Plants (Botany)
2
700 - The arts; fine & decorative arts
2
140 - Specific philosophical schools
1
380 - Commerce, communications & transportation
1
414 - Phonology & phonetics
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1