Classification
140 - Specific philosophical schools
400 - Language
900 - History & geography
5
700 - The arts; fine & decorative arts
4
000 - Computer science, information & general works
2
297 - Islam, Babism & Bahai Faith
2
320 - Political science
2
330 - Economics
2
800 - Literature & rhetoric
2
100 - Philosophy & psychology
1
300 - Social sciences
1
333 - Economics of land & energy
1
340 - Law
1
370 - Education
1
380 - Commerce, communications & transportation
1
410 - Linguistics
1
576 - Genetics & evolution
1
620 - Engineering & allied operations
1