Feldman, Saul D., author
McGraw-Hill, 1973
Buku Teks
George E. Walker ... [and others]
Jossey-Bass, 2008
Buku Teks
DeVane, William Clyde, author
Harvard University Press, 1965
Buku Teks
Wiggins, Sam P.
McCutchan Publishing Corporation, 1966
Buku Teks
edited by Richard Hofstadter and Wilson Smith
University of Chicago Press, 1961
Buku Teks