Gettell, Raymond G.
History of American political thought / Raymond G. Gettell
Appleton-Century-Crofts, 1928
 Buku Teks
Le Boutillier, Cornelia Geer
American democracy and natural law / Cornelia Geer Le Boutillier
Columbia University Press, 1950
 Buku Teks
Mason, Alpheus Thomas,1899-1989
In quest of freedom American political thought and practice and practice
Prentice-Hall, 1959
 Buku Teks
Science in America : a documentary history 1900-1939
edited, Nathan Reingold; edited, Ida H. Reingold
University of Chicago Press, 1981
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Encyclopedia of the American military : studies of the history, traditions, policies, institutions, and roles of the armed forces in war and peace; Volume I
editor in-chief, John E. Jessup and Louise B. Ketz
Charles Scribner`s Sons, 1994
 Buku Referensi