Classification
320 - Political science
900 - History & geography
6
200 - Religion
5
700 - The arts; fine & decorative arts
5
400 - Language
4
300 - Social sciences
3
301 - Sociology & anthropology
3
380 - Commerce, communications & transportation
3
140 - Specific philosophical schools
2
330 - Economics
2
410 - Linguistics
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
340 - Law
1
370 - Education
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
581 - Specific topics in natural history
1
800 - Literature & rhetoric
1