Classification
414 - Phonology & phonetics
610 - Medicine & health
4
615 - Pharmacology & therapeutics
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
551 - Geology, hydrology & meteorology
1
580 - Plants (Botany)
1
900 - History & geography
1