Classification
780 - Music
232
900 - History & geography
92
700 - The arts; fine & decorative arts
86
100 - Philosophy & psychology
33
300 - Social sciences
22
320 - Political science
19
140 - Specific philosophical schools
16
200 - Religion
15
370 - Education
15
301 - Sociology & anthropology
14
781 - General principles & musical forms
14
800 - Literature & rhetoric
13
006 - Special computer methods
12
306 - Culture & institutions
11
620 - Engineering & allied operations
10
400 - Language
9
304 - Factors affecting social behavior
7
519 - Probabilities & applied mathematics
7
005 - Computer programming, programs & data
6
380 - Commerce, communications & transportation
6
600 - Technology
6
004 - Data processing & computer science
5
025 - Library operations
5
782 - Vocal music
5
170 - Ethics
4
302 - Social interaction
4
330 - Economics
4
720 - Architecture
4
000 - Computer science, information & general works
3
001 - Knowledge
3
340 - Law
3
576 - Genetics & evolution
3
745 - Decorative arts
3
003 - Systems
2
297 - Islam, Babism & Bahai Faith
2
303 - Social processes
2
305 - Social groups
2
333 - Economics of land & energy
2
418 - Standard usage & applied linguistics
2
500 - Natural sciences & mathematics
2
621 - Applied physics
2
786 - Keyboard & other instruments
2
791 - Public performances
2
792 - Stage presentations
2
040 - [Unassigned]
1
121 - Epistemology
1
150 - Psychology
1
274 - History of Christianity in Europe
1
282 - Roman Catholic Church
1
338 - Production
1
more ...