Classification
370 - Education
610 - Medicine & health
23
330 - Economics
17
700 - The arts; fine & decorative arts
16
140 - Specific philosophical schools
15
333 - Economics of land & energy
14
000 - Computer science, information & general works
13
363 - Other social problems & services
12
380 - Commerce, communications & transportation
10
320 - Political science
7
340 - Law
6
600 - Technology
6
304 - Factors affecting social behavior
5
551 - Geology, hydrology & meteorology
5
100 - Philosophy & psychology
4
300 - Social sciences
4
361 - Social problems & social welfare in general
4
580 - Plants (Botany)
4
900 - History & geography
4
200 - Religion
3
576 - Genetics & evolution
3
620 - Engineering & allied operations
3
658 - General management
3
301 - Sociology & anthropology
2
372 - Elementary education
2
414 - Phonology & phonetics
2
581 - Specific topics in natural history
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
400 - Language
1
612 - Human physiology
1
615 - Pharmacology & therapeutics
1
630 - Agriculture & related technologies
1
657 - Accounting
1
770 - Photography, photographs & computer art
1