Classification
320 - Political science
330 - Economics
500 - Natural sciences & mathematics
15
340 - Law
7
000 - Computer science, information & general works
4
333 - Economics of land & energy
3
700 - The arts; fine & decorative arts
3
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
300 - Social sciences
1
301 - Sociology & anthropology
1
336 - Public finance
1
350 - Public administration & military science
1
400 - Language
1
410 - Linguistics
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
657 - Accounting
1
658 - General management
1
900 - History & geography
1