Classification
780 - Music
13
331 - Labor economics
8
330 - Economics
5
000 - Computer science, information & general works
3
306 - Culture & institutions
3
781 - General principles & musical forms
3
900 - History & geography
3
338 - Production
2
658 - General management
2
700 - The arts; fine & decorative arts
2
782 - Vocal music
2
070 - News media, journalism & publishing
1
100 - Philosophy & psychology
1
123 - Determinism & indeterminism
1
140 - Specific philosophical schools
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
301 - Sociology & anthropology
1
304 - Factors affecting social behavior
1
384 - Communications; telecommunication
1
400 - Language
1
515 - Analysis
1
518 - Numerical analysis
1
610 - Medicine & health
1
791 - Public performances
1
800 - Literature & rhetoric
1