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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)
Related Records
Father of Cyrus L. W.Eidlitz
Archival Holdings
The American Institute of Architects Archives
Quarterly Bulletin of the American Institute of Architects, April 1908, obituary p. 37; chapter memorial resolution, p. 38. Letter from Cyrus Eidlitz providing information for the obituary (from Incoming Correspondence files).
Avery Library, Drawings and Archives Collection, Columbia University
For more information https://library.columbia.edu/locations/avery/da.html.