Patterson, Thomas E.
The American democracy
McGraw-Hill, 203
 Buku Teks SO
Irish, Marian D.
The Politics of American democracy
Prentice-Hall, 1962
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Le Boutillier, Cornelia Geer
American democracy and natural law
Columbia University Press, 1950
 Buku Teks SO
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
 Buku Teks SO