Classification
306 - Culture & institutions
700 - The arts; fine & decorative arts
2
069 - Museum science
1
305 - Social groups
1
321 - Systems of governments & states
1
335 - Socialism & related systems
1
339 - Macroeconomics & related topics
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1
650 - Management & auxiliary services
1
658 - General management
1
751 - Techniques, equipment, materials & forms
1
809 - History, description & criticism
1
820 - English & Old English literatures
1
830 - Literatures of Germanic languages
1
940 - History of Europe
1