Classification
320 - Political science
330 - Economics
7
333 - Economics of land & energy
657 - Accounting
600 - Technology
5
363 - Other social problems & services
4
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
3
380 - Commerce, communications & transportation
3
140 - Specific philosophical schools
2
300 - Social sciences
2
620 - Engineering & allied operations
2
630 - Agriculture & related technologies
2
370 - Education
1
530 - Physics
1
576 - Genetics & evolution
1
610 - Medicine & health
1
650 - Management & auxiliary services
1
658 - General management
1
800 - Literature & rhetoric
1
900 - History & geography
1