Sayre, Wallace S.
American government
Barnes & Noble, 1964
 Buku Teks
Posey, Rollin Bennett
American government
Littlefield, Adam, 1958
 Buku Teks
American government
by Susan Welch ... [and others]
Thomson, 2006
 Buku Teks
Our American government / U.S. Government
U.S. Goverment, 2003
 Buku Teks
An outline of American Government
edited by Nathan Glick
United Sates Information Agency, 1989
 Buku Teks