Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
57
000 - Computer science, information & general works
43
333 - Economics of land & energy
36
580 - Plants (Botany)
36
363 - Other social problems & services
28
140 - Specific philosophical schools
27
540 - Chemistry & allied sciences
24
380 - Commerce, communications & transportation
19
576 - Genetics & evolution
15
600 - Technology
14
620 - Engineering & allied operations
14
304 - Factors affecting social behavior
8
330 - Economics
8
551 - Geology, hydrology & meteorology
8
800 - Literature & rhetoric
8
581 - Specific topics in natural history
7
612 - Human physiology
7
414 - Phonology & phonetics
6
615 - Pharmacology & therapeutics
6
900 - History & geography
6
630 - Agriculture & related technologies
4
300 - Social sciences
3
500 - Natural sciences & mathematics
3
590 - Animals (Zoology)
3
100 - Philosophy & psychology
2
320 - Political science
1
361 - Social problems & social welfare in general
1
370 - Education
1
530 - Physics
1