Classification
780 - Music
50
781 - General principles & musical forms
27
658 - General management
20
005 - Computer programming, programs & data
16
006 - Special computer methods
16
700 - The arts; fine & decorative arts
15
330 - Economics
14
900 - History & geography
12
300 - Social sciences
9
306 - Culture & institutions
9
620 - Engineering & allied operations
9
338 - Production
7
004 - Data processing & computer science
6
331 - Labor economics
6
745 - Decorative arts
6
785 - Ensembles with one instrument per part
6
000 - Computer science, information & general works
5
301 - Sociology & anthropology
5
500 - Natural sciences & mathematics
5
320 - Political science
4
381 - Commerce
4
518 - Numerical analysis
4
600 - Technology
4
770 - Photography, photographs & computer art
4
782 - Vocal music
4
808 - Rhetoric & collections of literature
4
100 - Philosophy & psychology
3
140 - Specific philosophical schools
3
153 - Mental processes & intelligence
3
302 - Social interaction
3
305 - Social groups
3
370 - Education
3
510 - Mathematics
3
650 - Management & auxiliary services
3
788 - Wind instruments
3
791 - Public performances
3
809 - History, description & criticism
3
158 - Applied psychology
2
200 - Religion
2
304 - Factors affecting social behavior
2
332 - Financial economics
2
346 - Private law
2
371 - Schools & their activities; special education
2
384 - Communications; telecommunication
2
430 - Germanic languages; German
2
530 - Physics
2
778 - Fields & kinds of photography
2
800 - Literature & rhetoric
2
121 - Epistemology
1
142 - Critical philosophy
1
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