Classification
400 - Language
900 - History & geography
18
410 - Linguistics
13
320 - Political science
7
700 - The arts; fine & decorative arts
6
370 - Education
5
800 - Literature & rhetoric
5
301 - Sociology & anthropology
4
340 - Law
4
491 - East Indo-European & Celtic languages
4
140 - Specific philosophical schools
3
200 - Religion
3
330 - Economics
2
333 - Economics of land & energy
2
000 - Computer science, information & general works
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
363 - Other social problems & services
1
380 - Commerce, communications & transportation
1
398 - Folklore
1
414 - Phonology & phonetics
1
500 - Natural sciences & mathematics
1
658 - General management
1
780 - Music
1
831 - German poetry
1
891 - East Indo-European & Celtic literatures
1