Classification
330 - Economics
600 - Technology
650 - Management & auxiliary services
657 - Accounting
3
000 - Computer science, information & general works
2
658 - General management
2
153 - Mental processes & intelligence
1
300 - Social sciences
1
320 - Political science
1
331 - Labor economics
1
333 - Economics of land & energy
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
700 - The arts; fine & decorative arts
1