Classification
330 - Economics
22
320 - Political science
17
333 - Economics of land & energy
14
900 - History & geography
7
370 - Education
2
551 - Geology, hydrology & meteorology
2
634 - Orchards, fruits & forestry
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
338 - Production
1
340 - Law
1
363 - Other social problems & services
1
610 - Medicine & health
1
630 - Agriculture & related technologies
1
658 - General management
1
770 - Photography, photographs & computer art
1