Classification
700 - The arts; fine & decorative arts
900 - History & geography
12
400 - Language
10
320 - Political science
7
333 - Economics of land & energy
6
370 - Education
6
410 - Linguistics
6
006 - Special computer methods
5
330 - Economics
5
600 - Technology
5
100 - Philosophy & psychology
4
800 - Literature & rhetoric
4
340 - Law
3
780 - Music
3
363 - Other social problems & services
2
380 - Commerce, communications & transportation
2
530 - Physics
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
170 - Ethics
1
300 - Social sciences
1
304 - Factors affecting social behavior
1
364 - Criminology
1
414 - Phonology & phonetics
1
551 - Geology, hydrology & meteorology
1
581 - Specific topics in natural history
1
620 - Engineering & allied operations
1