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