Classification
140 - Specific philosophical schools
2
340 - Law
2
380 - Commerce, communications & transportation
100 - Philosophy & psychology
1
170 - Ethics
1
200 - Religion
1
297 - Islam, Babism & Bahai Faith
1
300 - Social sciences
1
320 - Political science
1
330 - Economics
1
333 - Economics of land & energy
1
370 - Education
1