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Biographical directories
Entry in Henry F. Withey, A.I.A., and Elsie Rathburn Withey, Biographical Dictionary of American Architects (Deceased) (Los Angeles: New Age Publishing Company, 1956. Facsimile edition, Hennessey & Ingalls, Inc., 1970)
Entry in Macmillan Encyclopedia of Architects (New York: Macmillan, 1982)
Entry in R. Randall Vosbeck, FAIA, A Legacy of Leadership: Presidents of the AIA 1857-2007 (Washington, DC: The American Institute of Architects, 2008)
Memorials
Memorial paper by George C. Mason, Jr., FAIA, from the proceedings of the 1888 AIA Convention.
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The American Institute of Architects Archives
Membership file may contain membership-related correspondence, although there are few written records concerning 19th-century members. Contact the AIA Archives at archives@aia.org for further information.
The Athenaeum of Philadelphia
Thomas Ustick Walter Papers
For more information, http://www.philaathenaeum.org/research.html
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