Classification
370 - Education
139
700 - The arts; fine & decorative arts
26
900 - History & geography
26
576 - Genetics & evolution
18
780 - Music
5
800 - Literature & rhetoric
5
630 - Agriculture & related technologies
4
100 - Philosophy & psychology
2
320 - Political science
2
300 - Social sciences
1
600 - Technology
1