Published Biographical References

• AIA/T-Square Yearbook, 1931
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  Membership: T-Square Club, Member
   
• AIA/T-Square Yearbook, 1949
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  Membership: Philadelphia Chapter, AIA, Corporate Member
   
• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1956
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  Office: Jenkintown
   
• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1962
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  Office: Jenkintown
   
• Koyl, George. American Architects' Directory. New York: R.R. Bowker Co., 1970
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  Office: Jenkintown
   
• Obituary: Philadelphia Inquirer - 1 January 1989.
   

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