Classification
140 - Specific philosophical schools
320 - Political science
330 - Economics
333 - Economics of land & energy
657 - Accounting
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
630 - Agriculture & related technologies
1
658 - General management
1
900 - History & geography
1