Classification
700 - The arts; fine & decorative arts
780 - Music
900 - History & geography
16
140 - Specific philosophical schools
6
100 - Philosophy & psychology
4
300 - Social sciences
3
320 - Political science
3
370 - Education
3
200 - Religion
2
380 - Commerce, communications & transportation
2
000 - Computer science, information & general works
1
170 - Ethics
1
301 - Sociology & anthropology
1
400 - Language
1
410 - Linguistics
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
800 - Literature & rhetoric
1