Classification
320 - Political science
340 - Law
363 - Other social problems & services
700 - The arts; fine & decorative arts
24
330 - Economics
21
333 - Economics of land & energy
21
140 - Specific philosophical schools
16
900 - History & geography
12
380 - Commerce, communications & transportation
11
551 - Geology, hydrology & meteorology
11
600 - Technology
11
000 - Computer science, information & general works
10
300 - Social sciences
10
581 - Specific topics in natural history
10
610 - Medicine & health
9
100 - Philosophy & psychology
7
301 - Sociology & anthropology
6
630 - Agriculture & related technologies
6
170 - Ethics
5
620 - Engineering & allied operations
5
576 - Genetics & evolution
4
720 - Architecture
4
200 - Religion
3
500 - Natural sciences & mathematics
3
580 - Plants (Botany)
3
370 - Education
2
410 - Linguistics
2
658 - General management
2
304 - Factors affecting social behavior
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
530 - Physics
1
657 - Accounting
1
800 - Literature & rhetoric
1