Classification
330 - Economics
73
300 - Social sciences
22
900 - History & geography
12
320 - Political science
9
340 - Law
8
100 - Philosophy & psychology
4
200 - Religion
4
302 - Social interaction
3
630 - Agriculture & related technologies
2
830 - Literatures of Germanic languages
2
170 - Ethics
1
201 - Religious mythology & social theology
1
305 - Social groups
1
307 - Communities
1
322 - Relation of state to organized groups
1
400 - Language
1
576 - Genetics & evolution
1
780 - Music
1
800 - Literature & rhetoric
1
949 - Other parts of Europe
1