Classification
400 - Language
25
410 - Linguistics
15
370 - Education
9
304 - Factors affecting social behavior
8
800 - Literature & rhetoric
7
700 - The arts; fine & decorative arts
5
900 - History & geography
5
320 - Political science
3
300 - Social sciences
2
380 - Commerce, communications & transportation
2
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
340 - Law
1
414 - Phonology & phonetics
1
417 - Dialectology & historical linguistics
1
770 - Photography, photographs & computer art
1