Classification
320 - Political science
330 - Economics
350 - Public administration & military science
100 - Philosophy & psychology
2
300 - Social sciences
2
361 - Social problems & social welfare in general
2
900 - History & geography
2
000 - Computer science, information & general works
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
336 - Public finance
1
340 - Law
1
500 - Natural sciences & mathematics
1
600 - Technology
1
657 - Accounting
1