Dictionary of American biography
Charles Scribner's Sons , 1981
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Concise dictionary of American biography
Charles Scribner's Sons, 1964
Buku Referensi
Concise Dictionary of American biography
editor Joseph G. E.Hopkins
Charles Scribner's Sons, 1964
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Dictionary of American politics / edited by Edward Conrad Smith and Arnold John Zurcher.
Barnes & Noble, 1955
Buku Referensi
Miller, William
Readings in american values : selected and edited from public documents of the american past / William Miller
Prentice-Hall, 1964
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