Letter from J. Norman Petersen to Wilder Penfield, May 22, 1942.
Letter from J.C. Meakins to Wilder Penfield, May 22, 1942.
Letter from James Preston Robb to the Eastman Kodak Company, November 27, 1945.
Letter from John Kershman to Wilder Penfield, July 6, 1944.
Letter from John Kershman to Wilder Penfield, July 8, 1944.
Letter from John Kershman to William Vernon Cone, July 23, 1943.
Letter from John Kershman to William Vernon Cone, July 23, 1943.
Letter from Lt.Col. W. Leggat to Wilder Penfield, August 31, 1945.
Letter from Lucy Allen to Ann Dawson, January 16, 1941.
Letter from Mary Roach to Wilder Penfield, August 27.
Letter from McDougall & Friedman to Wilder Penfield, December 4, 1944.
Letter from Ross Millar to Wilder Penfield, June 10, 1942.
Letter from Ross Millar to Wilder Penfield, June 4, 1942.
Letter from Stanley Ellis to Wilder Penfield, July 23, 1940.
Letter from T.D.K. Rooney to the Commanding Officer of the MNI, May 19, 1945.