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American Architects Directories:
Biographical listing in 1956 American Architects Directory
Biographical listing in 1962 American Architects Directory
Biographical listing in 1970 American Architects Directory
Obituaries:
Obituary in Minneapolis Star Tribune, 08 September and 12 September 2013
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The American Institute of Architects Archives
Membership file contains membership application, request for emeritus (retired) status.
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