Classification
320 - Political science
333 - Economics of land & energy
5
700 - The arts; fine & decorative arts
5
330 - Economics
4
340 - Law
4
363 - Other social problems & services
4
000 - Computer science, information & general works
3
300 - Social sciences
3
551 - Geology, hydrology & meteorology
3
350 - Public administration & military science
2
140 - Specific philosophical schools
1
200 - Religion
1
301 - Sociology & anthropology
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
600 - Technology
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
900 - History & geography
1