Health policy making : fundamental issues in the United States, Canada, Great Britain, Australia / [selected] by Anne Crichton
Health Administration Press, 1981
 Buku Teks
Myers, Margaret G.
A Financial history of the United States
Columbia University Press , 1970
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Williams, T. Harry
A history of the United States (to 1876)
Alfred A. Knopf, 1963
 Buku Teks SO
Rae, John B.
The United States in World History
Mc Graw-Hill Book Company, 1949
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Bemis, Samuel Flagg, 1891-1973
A diplomatic history of the United States
Holt, Rinehart and Winston, 1965
 Buku Teks SO