Classification
320 - Political science
25
330 - Economics
18
900 - History & geography
14
300 - Social sciences
7
340 - Law
5
331 - Labor economics
3
338 - Production
3
362 - Social welfare problems & services
3
700 - The arts; fine & decorative arts
3
940 - History of Europe
3
322 - Relation of state to organized groups
2
333 - Economics of land & energy
2
339 - Macroeconomics & related topics
2
943 - Central Europe; Germany
2
170 - Ethics
1
179 - Other ethical norms
1
324 - The political process
1
332 - Financial economics
1
346 - Private law
1
355 - Military science
1
576 - Genetics & evolution
1
600 - Technology
1
610 - Medicine & health
1
658 - General management
1
836 - German letters
1