1. The Mind and Society: Non-logical Conduct;Pareto,1935
2. The Ruling Class;Mosca,1939
3. Persistence of power, elites, and institutions;Acemoglu;Am. Econ. Rev.,2008
4. Violence and Social Orders: A Conceptual Framework for Interpreting Recorded Human History;North,2009
5. Repression or civil war?;Besley;Am. Econ. Rev.,2009