Classification
320 - Political science
363 - Other social problems & services
658 - General management
330 - Economics
15
333 - Economics of land & energy
12
000 - Computer science, information & general works
9
551 - Geology, hydrology & meteorology
8
600 - Technology
7
700 - The arts; fine & decorative arts
7
380 - Commerce, communications & transportation
5
610 - Medicine & health
5
370 - Education
4
576 - Genetics & evolution
3
620 - Engineering & allied operations
3
140 - Specific philosophical schools
2
340 - Law
2
580 - Plants (Botany)
2
800 - Literature & rhetoric
2
900 - History & geography
2
100 - Philosophy & psychology
1
170 - Ethics
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
336 - Public finance
1
350 - Public administration & military science
1
361 - Social problems & social welfare in general
1
550 - Earth sciences
1
630 - Agriculture & related technologies
1
720 - Architecture
1
791 - Public performances
1