Classification
610 - Medicine & health
700 - The arts; fine & decorative arts
69
380 - Commerce, communications & transportation
46
140 - Specific philosophical schools
40
000 - Computer science, information & general works
34
333 - Economics of land & energy
32
363 - Other social problems & services
31
330 - Economics
26
580 - Plants (Botany)
24
576 - Genetics & evolution
21
500 - Natural sciences & mathematics
12
551 - Geology, hydrology & meteorology
12
612 - Human physiology
11
900 - History & geography
11
100 - Philosophy & psychology
10
600 - Technology
10
615 - Pharmacology & therapeutics
10
620 - Engineering & allied operations
10
170 - Ethics
9
370 - Education
9
581 - Specific topics in natural history
9
320 - Political science
6
540 - Chemistry & allied sciences
6
340 - Law
5
414 - Phonology & phonetics
5
300 - Social sciences
4
304 - Factors affecting social behavior
4
362 - Social welfare problems & services
3
658 - General management
3
630 - Agriculture & related technologies
2
306 - Culture & institutions
1
400 - Language
1
510 - Mathematics
1
519 - Probabilities & applied mathematics
1
530 - Physics
1
590 - Animals (Zoology)
1
614 - Incidence & prevention of disease
1
616 - Diseases
1
800 - Literature & rhetoric
1
956 - Middle East (Near East)
1