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The American Institute of Architects Archives
Membership file may contain membership application, Fellowship nomination, related correspondence. Contact the AIA Archives at archives@aia.org for further information.
A 1931 letter from Joseph Urban discusses Muschenheim's education at the Behrens Master School of Architecture at the Academy of Fine Arts in Vienna, where Urban also received his degree.
Avery Library, Drawings and Archives Collection, Columbia University
For more information https://library.columbia.edu/locations/avery/da.html.
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