Classification
610 - Medicine & health
57
000 - Computer science, information & general works
52
580 - Plants (Botany)
43
700 - The arts; fine & decorative arts
38
600 - Technology
37
333 - Economics of land & energy
28
540 - Chemistry & allied sciences
18
620 - Engineering & allied operations
16
363 - Other social problems & services
14
380 - Commerce, communications & transportation
13
140 - Specific philosophical schools
12
630 - Agriculture & related technologies
11
330 - Economics
10
576 - Genetics & evolution
9
414 - Phonology & phonetics
8
551 - Geology, hydrology & meteorology
6
900 - History & geography
6
581 - Specific topics in natural history
4
615 - Pharmacology & therapeutics
4
664 - Food technology
4
100 - Philosophy & psychology
3
304 - Factors affecting social behavior
3
361 - Social problems & social welfare in general
3
613 - Personal health & safety
3
612 - Human physiology
2
658 - General management
2
668 - Technology of other organic products
2
800 - Literature & rhetoric
2
320 - Political science
1
370 - Education
1
500 - Natural sciences & mathematics
1
543 - Analytical chemistry
1
571 - Physiology & related subjects
1
574 - [Unassigned]
1
590 - Animals (Zoology)
1
616 - Diseases
1
628 - Sanitary & municipal engineering
1
720 - Architecture
1