Classification
140 - Specific philosophical schools
320 - Political science
330 - Economics
333 - Economics of land & energy
3
700 - The arts; fine & decorative arts
3
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
657 - Accounting
1
658 - General management
1