Classification
320 - Political science
610 - Medicine & health
700 - The arts; fine & decorative arts
363 - Other social problems & services
10
000 - Computer science, information & general works
6
330 - Economics
5
600 - Technology
5
140 - Specific philosophical schools
4
333 - Economics of land & energy
3
340 - Law
3
630 - Agriculture & related technologies
3
100 - Philosophy & psychology
2
370 - Education
2
380 - Commerce, communications & transportation
2
551 - Geology, hydrology & meteorology
2
900 - History & geography
2
170 - Ethics
1
200 - Religion
1
360 - Social problems & services; associations
1
550 - Earth sciences
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
620 - Engineering & allied operations
1
720 - Architecture
1
800 - Literature & rhetoric
1