Morison, Samuel Eliot
Growth of the American Republic
Oxford University Press, 1962
 Buku Teks
Chinese-American joint commission on rural reconstruction general report 6
[publisher not identified], 1956
 Buku Teks
The world's population: problems of growth
edited by Quentin H. Stanford
Oxford University Press, 1972
 Buku Teks
The future of American foreign policy
edited by Eugene R. Wittkopt
Martin Press, 1994
 Buku Teks
Patterson, Thomas E.
The American democracy
McGraw-Hill, 203
 Buku Teks