Patterson, Thomas E.
The American democracy
McGraw-Hill, 203
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Ranney, Austin
Democracy and the American party system
Harcourt, Brace and Company, 1956
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Laski, Harold J.
The American democracy a commentary and interpretation
George Allen and Unwin, 1949
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McConnell, Grant
Private power and American democracy
Alfred A. Knopf, 1967
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American democracy : in world perspective
by William Ebenstein [and others]
Harper & Row, Publishers, 1970
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