Classification
100 - Philosophy & psychology
200 - Religion
780 - Music
800 - Literature & rhetoric
300 - Social sciences
2
320 - Political science
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
330 - Economics
1
333 - Economics of land & energy
1
400 - Language
1
410 - Linguistics
1