Education in the United States of America
Washington U.S. Department of Health, Education, and Welfare 1955
 Buku Teks
The Pharmacopeia of the United States of America
Board of Trusless, 1960
 Buku Referensi
Philosophic thought in france and the United States
edited by Marvin Farber
University of Buffalo, 1950
 Buku Teks SO
Whitaker,Arthur P.
The United States and South America the NorthernRepublics
Harvard University Press, 1948
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The United States of America : a government by the people
The America University, [date of publication not identified]
 Buku Teks