Classification
900 - History & geography
18
809 - History, description & criticism
6
800 - Literature & rhetoric
5
330 - Economics
3
400 - Language
3
200 - Religion
2
320 - Political science
2
340 - Law
2
700 - The arts; fine & decorative arts
2
909 - World history
2
121 - Epistemology
1
140 - Specific philosophical schools
1
160 - Logic
1
180 - Ancient, medieval & eastern philosophy
1
189 - Medieval western philosophy
1
210 - Philosophy & theory of religion
1
235 - Spiritual beings
1
300 - Social sciences
1
306 - Culture & institutions
1
332 - Financial economics
1
410 - Linguistics
1
417 - Dialectology & historical linguistics
1
500 - Natural sciences & mathematics
1
576 - Genetics & evolution
1
720 - Architecture
1
821 - English poetry
1
841 - French poetry
1
940 - History of Europe
1
949 - Other parts of Europe
1