Classification
200 - Religion
320 - Political science
400 - Language
900 - History & geography
7
100 - Philosophy & psychology
6
300 - Social sciences
5
410 - Linguistics
5
700 - The arts; fine & decorative arts
5
140 - Specific philosophical schools
3
170 - Ethics
3
340 - Law
3
800 - Literature & rhetoric
3
297 - Islam, Babism & Bahai Faith
2
330 - Economics
2
780 - Music
2
000 - Computer science, information & general works
1
120 - Epistemology, causation & humankind
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
380 - Commerce, communications & transportation
1
530 - Physics
1
576 - Genetics & evolution
1
600 - Technology
1
620 - Engineering & allied operations
1