Classification
576 - Genetics & evolution
900 - History & geography
18
320 - Political science
11
943 - Central Europe; Germany
4
330 - Economics
3
700 - The arts; fine & decorative arts
2
016 - Bibliographies of works on specific subjects
1
100 - Philosophy & psychology
1
280 - Christian denominations & sects
1
300 - Social sciences
1
322 - Relation of state to organized groups
1
385 - Railroad transportation
1
907 - Education, research & related topics
1
940 - History of Europe
1