Classification
370 - Education
610 - Medicine & health
27
000 - Computer science, information & general works
14
700 - The arts; fine & decorative arts
13
333 - Economics of land & energy
8
380 - Commerce, communications & transportation
7
140 - Specific philosophical schools
5
580 - Plants (Botany)
4
100 - Philosophy & psychology
3
330 - Economics
3
363 - Other social problems & services
3
530 - Physics
2
576 - Genetics & evolution
2
600 - Technology
2
615 - Pharmacology & therapeutics
2
620 - Engineering & allied operations
2
658 - General management
2
900 - History & geography
2
160 - Logic
1
170 - Ethics
1
200 - Religion
1
300 - Social sciences
1
320 - Political science
1
340 - Law
1
410 - Linguistics
1
500 - Natural sciences & mathematics
1
540 - Chemistry & allied sciences
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
612 - Human physiology
1
630 - Agriculture & related technologies
1
780 - Music
1
800 - Literature & rhetoric
1