Classification
140 - Specific philosophical schools
540 - Chemistry & allied sciences
610 - Medicine & health
000 - Computer science, information & general works
26
700 - The arts; fine & decorative arts
22
333 - Economics of land & energy
19
363 - Other social problems & services
12
580 - Plants (Botany)
12
380 - Commerce, communications & transportation
9
620 - Engineering & allied operations
8
600 - Technology
7
612 - Human physiology
7
304 - Factors affecting social behavior
6
500 - Natural sciences & mathematics
5
551 - Geology, hydrology & meteorology
5
300 - Social sciences
4
330 - Economics
4
414 - Phonology & phonetics
4
576 - Genetics & evolution
4
581 - Specific topics in natural history
4
320 - Political science
3
615 - Pharmacology & therapeutics
3
370 - Education
2
900 - History & geography
2
340 - Law
1
400 - Language
1
530 - Physics
1
630 - Agriculture & related technologies
1