Irish, Marian D.
The Politics of American democracy
Prentice-Hall, 1962
 Buku Teks SO
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
 Buku Teks
Laski, Harold J.
The American democracy a commentary and interpretation
George Allen and Unwin, 1949
 Buku Teks SO
McConnell, Grant
Private power and American democracy
Alfred A. Knopf, 1967
 Buku Teks SO