Classification
610 - Medicine & health
70
333 - Economics of land & energy
32
700 - The arts; fine & decorative arts
30
140 - Specific philosophical schools
18
000 - Computer science, information & general works
11
380 - Commerce, communications & transportation
11
580 - Plants (Botany)
9
612 - Human physiology
7
363 - Other social problems & services
5
581 - Specific topics in natural history
5
304 - Factors affecting social behavior
4
576 - Genetics & evolution
4
600 - Technology
4
615 - Pharmacology & therapeutics
4
330 - Economics
3
370 - Education
3
540 - Chemistry & allied sciences
3
340 - Law
2
500 - Natural sciences & mathematics
2
620 - Engineering & allied operations
2
100 - Philosophy & psychology
1
320 - Political science
1
361 - Social problems & social welfare in general
1
630 - Agriculture & related technologies
1
658 - General management
1
770 - Photography, photographs & computer art
1
800 - Literature & rhetoric
1
900 - History & geography
1