Case studies in American government: the inter-university case program
edited by Edwin A. Bock and Alan K. Campbell
Prentice-Hall, 1965
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Posey, Rollin Bennett
American government
Littlefield, Adam, 1958
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Sayre, Wallace S.
American government
Barnes & Noble, 1964
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Ferguson, John H.
The American system of government
McGraw-Hill, 1981
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Wilson, James Q.
American government : institutions and policies
D.C. Heath, 1995
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