Rossiter, Clinton, 1917-1970
The American presidency
The American Library, 1960
 Buku Teks SO
Mervin, David
Ronald Reagan and the American presidency
Longman, 1990
 Buku Teks SO
Corwin, Edward S.
The Presidency today
New York University Press, 1956
 Buku Teks
Schubert, Glendon A., Jr
The presidency in the courts
University of Minnesota Press, 1956
 Buku Teks
Longaker, Richard P.
The presidency and individual liberties
Cornell University Press, 1962
 Buku Teks