Classification
900 - History & geography
5
100 - Philosophy & psychology
4
400 - Language
3
302 - Social interaction
2
296 - Judaism
1
411 - Writing systems
1
419 - Sign languages
1
481 - Classical Greek writing & phonology
1
700 - The arts; fine & decorative arts
1
720 - Architecture
1
780 - Music
1
800 - Literature & rhetoric
1
830 - Literatures of Germanic languages
1
831 - German poetry
1