Classification
100 - Philosophy & psychology
140 - Specific philosophical schools
3
400 - Language
410 - Linguistics
700 - The arts; fine & decorative arts
3
800 - Literature & rhetoric
900 - History & geography
320 - Political science
2
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
330 - Economics
1
333 - Economics of land & energy
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
780 - Music
1