Classification
780 - Music
900 - History & geography
50
700 - The arts; fine & decorative arts
40
320 - Political science
12
100 - Philosophy & psychology
10
140 - Specific philosophical schools
10
200 - Religion
9
600 - Technology
7
300 - Social sciences
6
301 - Sociology & anthropology
6
410 - Linguistics
6
370 - Education
5
400 - Language
5
800 - Literature & rhetoric
5
330 - Economics
4
380 - Commerce, communications & transportation
3
414 - Phonology & phonetics
3
000 - Computer science, information & general works
2
304 - Factors affecting social behavior
2
340 - Law
2
791 - Public performances
2
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
398 - Folklore
1
500 - Natural sciences & mathematics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
620 - Engineering & allied operations
1
720 - Architecture
1