Classification
400 - Language
410 - Linguistics
000 - Computer science, information & general works
9
900 - History & geography
5
300 - Social sciences
4
380 - Commerce, communications & transportation
4
100 - Philosophy & psychology
3
320 - Political science
3
700 - The arts; fine & decorative arts
3
800 - Literature & rhetoric
3
200 - Religion
2
330 - Economics
2
363 - Other social problems & services
2
576 - Genetics & evolution
2
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
610 - Medicine & health
1