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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Sayre, Wallace S.
American government
Barnes & Noble, 1964
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Posey, Rollin Bennett
American government
Littlefield, Adam, 1958
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Irish, Marian D.
The Politics of American democracy
Prentice-Hall, 1962
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Griffith, Ernest S.
The American system of government
Frederick A. Praeger, 1954
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