Classification
610 - Medicine & health
40
900 - History & geography
16
700 - The arts; fine & decorative arts
14
363 - Other social problems & services
10
000 - Computer science, information & general works
6
140 - Specific philosophical schools
6
320 - Political science
6
333 - Economics of land & energy
6
580 - Plants (Botany)
6
540 - Chemistry & allied sciences
3
200 - Religion
2
300 - Social sciences
2
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
600 - Technology
2
630 - Agriculture & related technologies
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
370 - Education
1
400 - Language
1
410 - Linguistics
1
576 - Genetics & evolution
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1