Classification
320 - Political science
340 - Law
363 - Other social problems & services
380 - Commerce, communications & transportation
4
600 - Technology
620 - Engineering & allied operations
900 - History & geography
4
140 - Specific philosophical schools
3
500 - Natural sciences & mathematics
3
576 - Genetics & evolution
3
700 - The arts; fine & decorative arts
3
720 - Architecture
3
330 - Economics
1
657 - Accounting
1