Classification
414 - Phonology & phonetics
410 - Linguistics
41
400 - Language
33
900 - History & geography
8
380 - Commerce, communications & transportation
6
370 - Education
5
700 - The arts; fine & decorative arts
5
333 - Economics of land & energy
2
610 - Medicine & health
2
780 - Music
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
300 - Social sciences
1
301 - Sociology & anthropology
1
340 - Law
1
576 - Genetics & evolution
1