Classification
340 - Law
40
320 - Political science
6
900 - History & geography
4
100 - Philosophy & psychology
3
380 - Commerce, communications & transportation
3
200 - Religion
2
330 - Economics
2
700 - The arts; fine & decorative arts
2
000 - Computer science, information & general works
1
333 - Economics of land & energy
1
361 - Social problems & social welfare in general
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1