Classification
791 - Public performances
40
900 - History & geography
23
700 - The arts; fine & decorative arts
15
300 - Social sciences
5
780 - Music
4
320 - Political science
3
600 - Technology
3
800 - Literature & rhetoric
3
340 - Law
2
380 - Commerce, communications & transportation
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
120 - Epistemology, causation & humankind
1
140 - Specific philosophical schools
1
301 - Sociology & anthropology
1
400 - Language
1
410 - Linguistics
1
581 - Specific topics in natural history
1
610 - Medicine & health
1
770 - Photography, photographs & computer art
1