Classification
330 - Economics
79
320 - Political science
63
630 - Agriculture & related technologies
55
300 - Social sciences
17
340 - Law
6
700 - The arts; fine & decorative arts
6
000 - Computer science, information & general works
4
610 - Medicine & health
4
363 - Other social problems & services
3
658 - General management
3
333 - Economics of land & energy
2
551 - Geology, hydrology & meteorology
2
576 - Genetics & evolution
2
600 - Technology
2
338 - Production
1
370 - Education
1
380 - Commerce, communications & transportation
1
530 - Physics
1
550 - Earth sciences
1
620 - Engineering & allied operations
1
900 - History & geography
1
940 - History of Europe
1