Classification
000 - Computer science, information & general works
1
100 - Philosophy & psychology
4
140 - Specific philosophical schools
1
170 - Ethics
1
320 - Political science
7
330 - Economics
6
333 - Economics of land & energy
2
340 - Law
3
350 - Public administration & military science
1
380 - Commerce, communications & transportation
3
600 - Technology
1
610 - Medicine & health
1
657 - Accounting
3