Classification
320 - Political science
330 - Economics
363 - Other social problems & services
380 - Commerce, communications & transportation
600 - Technology
3
657 - Accounting
333 - Economics of land & energy
2
620 - Engineering & allied operations
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
300 - Social sciences
1
340 - Law
1
576 - Genetics & evolution
1
650 - Management & auxiliary services
1
900 - History & geography
1