McConnell, Grant
Private power and American democracy
Alfred A. Knopf, 1967
 Buku Teks
Braeman, John
American politics in the twentieth century / John Braeman
Thomas Y Crowill, 1969
 Buku Teks
Woll, Peter
Behind the scenes in American government: personalities and politics
Little, Brown & Co., 1979
 Buku Teks
Wuerthner, J.J.
The Businessman's guide to practical politics /by J. J. Wuerthner
Regnery, 1959
 Buku Teks
Heale, M. J.
The United States in the long twentieth century : politics and society since 1900
An imprint of Bloomsbury Publishing Plc, 2015
 Buku Teks