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American Architects Directories:
Biographical listing in 1956 American Architects Directory
Repeat of 1956 biographical listing in 1962 American Architects Directory
Address listed in 1970 American Architects Directory
Biographical Directories:
Entry in Macmillan Encyclopedia of Architects (New York: Macmillan, 1982)
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The American Institute of Architects Archives
Membership file contains membership application, termination, inquiry from Germany, reapplication, chapter transfers, Fellowship nomination, termination, request for emeritus (retired) status, press release, obituary, realtor inquiry with description of one of his houses.
Architecture & Design Collection, Art, Design & Architecture Museum, University of California Santa Barbara
Gregory Ain Collection. For more information http://www.museum.ucsb.edu/collections/architecture-design
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