Classification
380 - Commerce, communications & transportation
580 - Plants (Botany)
610 - Medicine & health
700 - The arts; fine & decorative arts
333 - Economics of land & energy
5
000 - Computer science, information & general works
3
100 - Philosophy & psychology
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
620 - Engineering & allied operations
2
140 - Specific philosophical schools
1
330 - Economics
1
370 - Education
1
414 - Phonology & phonetics
1
551 - Geology, hydrology & meteorology
1
600 - Technology
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
630 - Agriculture & related technologies
1
658 - General management
1