Classification
370 - Education
720 - Architecture
700 - The arts; fine & decorative arts
26
600 - Technology
18
363 - Other social problems & services
14
900 - History & geography
14
333 - Economics of land & energy
13
620 - Engineering & allied operations
12
000 - Computer science, information & general works
11
330 - Economics
11
380 - Commerce, communications & transportation
9
610 - Medicine & health
9
320 - Political science
7
140 - Specific philosophical schools
6
551 - Geology, hydrology & meteorology
5
400 - Language
4
100 - Philosophy & psychology
3
300 - Social sciences
3
500 - Natural sciences & mathematics
3
540 - Chemistry & allied sciences
3
576 - Genetics & evolution
3
200 - Religion
2
297 - Islam, Babism & Bahai Faith
2
301 - Sociology & anthropology
2
340 - Law
2
530 - Physics
2
657 - Accounting
2
658 - General management
2
800 - Literature & rhetoric
2
304 - Factors affecting social behavior
1
580 - Plants (Botany)
1