Classification
320 - Political science
620 - Engineering & allied operations
600 - Technology
10
630 - Agriculture & related technologies
7
300 - Social sciences
4
140 - Specific philosophical schools
3
330 - Economics
3
363 - Other social problems & services
3
333 - Economics of land & energy
2
340 - Law
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
364 - Criminology
1
380 - Commerce, communications & transportation
1
551 - Geology, hydrology & meteorology
1
720 - Architecture
1