...
American Architects Directories:
Biographical listing in 1970 American Architects Directory
Obituaries:
Obituary, "Mahaffey, Frederick J.," The Hartford Courant, Nov. 17, 2011; memorial article, "Modernist Moved Architecture Forward," The Hartford Courant, Sun. Dec. 18, 2011, p. F5.
...
The American Institute of Architects Archives
Membership file may contain membership application, related correspondence. Contact the AIA Archives at archives@aia.org for further information.
Notification of decease received by AIA: "Frederick J. Mahaffey, Yale Arch. '53, formerly a principal at Frid Ferguson Mahaffey & Perry (1962-1987) on 54 Forest St., Hartford CT and from thence to the S/L/A/M Collaborative in Glastonbury, CT to 1994, died in Hartford 11/10/11. He was 85."
...