Cummings, Paul
A dictionary of contemporary American artists
St. Martin's Press, 1966
 Buku Referensi
American political leaders 1789-2000
Kongressional Quarterly, 2000
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American authors 1600-1900 : a biographical dictionary of American literature
edited by Stanley J. Kunitz and Howard Haycraft
H.W. Wilson, 1960
 Buku Referensi
Gilbert, Dorothy B.
Who's who in American art; American Ferartmon of Arts
R.R.Bowker, [date of publication not identified]
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Brooks, Van Wyck
dream of Arcadia; American writers and artists in Italy 1760-1915 / Van Wyck Brooks
E.P.Dutton, 1958
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