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The American Institute of Architects Archives
Architects Roster questionnaire, 1953. The AIA Archives also has several issues of the firm's newsletter. See also press releases in the membership file for Welton D. Becket.
Architecture & Design Collection, University Art Museum, University of California Santa Barbara
Ellerbe Becket Collection. For more information http://www.uam.ucsb.edu/Pages/adc_front.html
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