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
   
• Strong, Ann. "G. Holmes Perkins: Architect of the School's Renaissance." In Strong and George E. Thomas, The Book of the School. Philadelphia: The Graduate School of Fine Arts, the University of Pennsylvania, 1990, p. 131-149.
   
• Strong, Ann and G. Holmes Perkins. "G. Holmes Perkins." In Strong and Thomas (above), p. 156-157.
   

Biographical Drawings, Photos, Papers, etc.

• Biographical Files, Architectural Archives, University of Pennsylvania.
   

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