Huszar, George B. de (George Bernard), 1919-1968
Political science
Littlefield, Adams, 1959
 Buku Teks
Edward, David V.
The American Political Experience
Prentice-Hall, 1982
 Buku Teks
American political leaders 1789-2000
Kongressional Quarterly, 2000
 Buku Teks
Plano, Jack C.
The American political dictionary
Holt, Rinehart and Winston, 1985
 Buku Referensi
Readings in American political behavior
edited by Raymond E. Wolfinger
Prentice-Hall, 1966
 Buku Teks