Classification
370 - Education
410 - Linguistics
400 - Language
12
380 - Commerce, communications & transportation
4
414 - Phonology & phonetics
4
340 - Law
2
700 - The arts; fine & decorative arts
2
900 - History & geography
2
100 - Philosophy & psychology
1
200 - Religion
1
300 - Social sciences
1
320 - Political science
1
330 - Economics
1