Classification
320 - Political science
900 - History & geography
2
000 - Computer science, information & general works
1
140 - Specific philosophical schools
1
297 - Islam, Babism & Bahai Faith
1
304 - Factors affecting social behavior
1
330 - Economics
1
333 - Economics of land & energy
1
340 - Law
1
380 - Commerce, communications & transportation
1
400 - Language
1
576 - Genetics & evolution
1
600 - Technology
1