Classification
320 - Political science
330 - Economics
860
340 - Law
59
900 - History & geography
59
800 - Literature & rhetoric
41
300 - Social sciences
26
700 - The arts; fine & decorative arts
10
576 - Genetics & evolution
9
370 - Education
7
140 - Specific philosophical schools
5
200 - Religion
5
630 - Agriculture & related technologies
5
170 - Ethics
3
610 - Medicine & health
2