Classification
610 - Medicine & health
46
700 - The arts; fine & decorative arts
28
333 - Economics of land & energy
18
330 - Economics
15
100 - Philosophy & psychology
14
000 - Computer science, information & general works
13
380 - Commerce, communications & transportation
13
600 - Technology
12
363 - Other social problems & services
10
370 - Education
10
140 - Specific philosophical schools
9
900 - History & geography
8
320 - Political science
7
615 - Pharmacology & therapeutics
6
620 - Engineering & allied operations
5
658 - General management
4
170 - Ethics
3
200 - Religion
3
304 - Factors affecting social behavior
3
576 - Genetics & evolution
3
580 - Plants (Botany)
3
780 - Music
3
800 - Literature & rhetoric
3
340 - Law
2
361 - Social problems & social welfare in general
2
500 - Natural sciences & mathematics
2
612 - Human physiology
2
296 - Judaism
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
336 - Public finance
1
350 - Public administration & military science
1
540 - Chemistry & allied sciences
1
581 - Specific topics in natural history
1