Classification
900 - History & geography
943 - Central Europe; Germany
10
320 - Political science
7
340 - Law
3
200 - Religion
2
322 - Relation of state to organized groups
2
140 - Specific philosophical schools
1
282 - Roman Catholic Church
1
300 - Social sciences
1
327 - International relations
1
328 - The legislative process
1
576 - Genetics & evolution
1
940 - History of Europe
1