Classification
320 - Political science
363 - Other social problems & services
7
600 - Technology
700 - The arts; fine & decorative arts
7
300 - Social sciences
5
333 - Economics of land & energy
5
620 - Engineering & allied operations
4
630 - Agriculture & related technologies
4
000 - Computer science, information & general works
3
720 - Architecture
3
140 - Specific philosophical schools
2
330 - Economics
2
551 - Geology, hydrology & meteorology
2
301 - Sociology & anthropology
1
350 - Public administration & military science
1
370 - Education
1
380 - Commerce, communications & transportation
1
500 - Natural sciences & mathematics
1
530 - Physics
1
540 - Chemistry & allied sciences
1
800 - Literature & rhetoric
1
900 - History & geography
1