Classification
700 - The arts; fine & decorative arts
610 - Medicine & health
12
580 - Plants (Botany)
10
333 - Economics of land & energy
7
600 - Technology
7
140 - Specific philosophical schools
6
620 - Engineering & allied operations
4
000 - Computer science, information & general works
3
370 - Education
3
380 - Commerce, communications & transportation
2
900 - History & geography
2
100 - Philosophy & psychology
1
320 - Political science
1
330 - Economics
1
363 - Other social problems & services
1
414 - Phonology & phonetics
1
540 - Chemistry & allied sciences
1
576 - Genetics & evolution
1
581 - Specific topics in natural history
1
615 - Pharmacology & therapeutics
1
658 - General management
1