Classification
320 - Political science
330 - Economics
17
200 - Religion
5
900 - History & geography
4
100 - Philosophy & psychology
2
140 - Specific philosophical schools
2
300 - Social sciences
2
340 - Law
2
400 - Language
2
000 - Computer science, information & general works
1
160 - Logic
1
170 - Ethics
1
297 - Islam, Babism & Bahai Faith
1
301 - Sociology & anthropology
1
333 - Economics of land & energy
1
343 - Military, tax, trade & industrial law
1
380 - Commerce, communications & transportation
1
520 - Astronomy & allied sciences
1
576 - Genetics & evolution
1
700 - The arts; fine & decorative arts
1
800 - Literature & rhetoric
1