Classification
330 - Economics
5
333 - Economics of land & energy
5
363 - Other social problems & services
610 - Medicine & health
320 - Political science
4
380 - Commerce, communications & transportation
4
700 - The arts; fine & decorative arts
4
370 - Education
3
600 - Technology
3
720 - Architecture
3
900 - History & geography
3
000 - Computer science, information & general works
2
551 - Geology, hydrology & meteorology
2
301 - Sociology & anthropology
1
340 - Law
1
414 - Phonology & phonetics
1
658 - General management
1