Classification
800 - Literature & rhetoric
900 - History & geography
9
200 - Religion
5
320 - Political science
5
340 - Law
4
700 - The arts; fine & decorative arts
4
100 - Philosophy & psychology
3
140 - Specific philosophical schools
2
333 - Economics of land & energy
2
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
370 - Education
1
380 - Commerce, communications & transportation
1
400 - Language
1
410 - Linguistics
1
600 - Technology
1
831 - German poetry
1