Classification
610 - Medicine & health
122
700 - The arts; fine & decorative arts
69
570 - Life sciences; biology
43
000 - Computer science, information & general works
34
140 - Specific philosophical schools
29
333 - Economics of land & energy
25
580 - Plants (Botany)
25
363 - Other social problems & services
23
600 - Technology
22
380 - Commerce, communications & transportation
16
540 - Chemistry & allied sciences
16
620 - Engineering & allied operations
16
615 - Pharmacology & therapeutics
11
900 - History & geography
11
304 - Factors affecting social behavior
10
576 - Genetics & evolution
7
612 - Human physiology
6
414 - Phonology & phonetics
5
500 - Natural sciences & mathematics
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
330 - Economics
1
370 - Education
1
410 - Linguistics
1
581 - Specific topics in natural history
1
590 - Animals (Zoology)
1
630 - Agriculture & related technologies
1
791 - Public performances
1