1. Patent Trader, Mt. Kisco, New York, February 20, 1970
  2. Egerton Swartwout, Memorandum, 1 April 1942, Subject File, Eddy, Mary Baker – Memorial – Mt. Auburn Cemetery _ correspondence
  3. David Poling to Erwin D. Canham, letter, 22 December 1970, Church Archives, Box 36985, Folder 66088
  4. ibid.
  5. See Presidential Art Medals, Inc. flyer, circa 1971, Church Archives, Box 36985, Folder 66088
  6. D. Wayne Johnson, former Director of Research for Medallic Art Company to Pamela Winstead, email, 25 March 2006