Classification
330 - Economics
4
320 - Political science
2
333 - Economics of land & energy
2
551 - Geology, hydrology & meteorology
2
000 - Computer science, information & general works
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
600 - Technology
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
700 - The arts; fine & decorative arts
1