Classification
301 - Sociology & anthropology
320 - Political science
780 - Music
900 - History & geography
410 - Linguistics
2
700 - The arts; fine & decorative arts
2
800 - Literature & rhetoric
2
140 - Specific philosophical schools
1
200 - Religion
1
398 - Folklore
1
400 - Language
1
581 - Specific topics in natural history
1