Woll, Peter
American goverment : readings and cases
Longman , 2001
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Ferguson, John H.
The American federal government
McGraw-Hill, 1981
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Locke, John
Two treatises of civil government
E.P. Dutton, 1953
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Easton, David
A systems analysis of political life
John Wiley & Sons, 1965
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Govermental policy and international education
edited by Stewart E. Fraser
John Wiley & Sons, 1965
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