Classification
400 - Language
27
900 - History & geography
9
410 - Linguistics
7
800 - Literature & rhetoric
5
700 - The arts; fine & decorative arts
3
304 - Factors affecting social behavior
2
320 - Political science
2
414 - Phonology & phonetics
2
200 - Religion
1
330 - Economics
1
340 - Law
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
398 - Folklore
1
891 - East Indo-European & Celtic literatures
1