Published Biographical References

• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1956
  Links: View citation information
  Office: Philadelphia
   
• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1962
  Links: View citation information
  Office: Philadelphia
   
• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1970
  Links: View citation information
  Office: Philadelphia
   

Biographical Drawings, Photos, Papers, etc.

• Photographic Portraits of Giurgola, Mitchell, and M/G Staff, Architectural Archives, University of Pennsylvania - Rollin LaFrance Collection
  Call Number: 342.I.57
  Quantity: 1 folder
  Dates: 1969
   

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