Classification
330 - Economics
320 - Political science
767
900 - History & geography
160
300 - Social sciences
116
576 - Genetics & evolution
72
340 - Law
47
700 - The arts; fine & decorative arts
12
630 - Agriculture & related technologies
5
200 - Religion
3
100 - Philosophy & psychology
1
140 - Specific philosophical schools
1
343 - Military, tax, trade & industrial law
1
370 - Education
1
600 - Technology
1
973 - United States
1