Classification
780 - Music
22
781 - General principles & musical forms
18
000 - Computer science, information & general works
8
700 - The arts; fine & decorative arts
6
785 - Ensembles with one instrument per part
6
004 - Data processing & computer science
5
658 - General management
5
900 - History & geography
5
306 - Culture & institutions
4
788 - Wind instruments
4
800 - Literature & rhetoric
4
300 - Social sciences
3
301 - Sociology & anthropology
3
320 - Political science
3
650 - Management & auxiliary services
3
808 - Rhetoric & collections of literature
3
005 - Computer programming, programs & data
2
006 - Special computer methods
2
100 - Philosophy & psychology
2
305 - Social groups
2
330 - Economics
2
338 - Production
2
346 - Private law
2
371 - Schools & their activities; special education
2
430 - Germanic languages; German
2
510 - Mathematics
2
620 - Engineering & allied operations
2
782 - Vocal music
2
001 - Knowledge
1
140 - Specific philosophical schools
1
149 - Other philosophical systems
1
200 - Religion
1
201 - Religious mythology & social theology
1
233 - Humankind
1
304 - Factors affecting social behavior
1
340 - Law
1
363 - Other social problems & services
1
374 - Adult education
1
400 - Language
1
410 - Linguistics
1
518 - Numerical analysis
1
530 - Physics
1
570 - Life sciences; biology
1
581 - Specific topics in natural history
1
600 - Technology
1
616 - Diseases
1
710 - Civic & landscape art
1
786 - Keyboard & other instruments
1
791 - Public performances
1
792 - Stage presentations
1
more ...