Letter from George Currie to Wilder Penfield, August 7, 1944.
Letter from H.M. Hague to Wilder Penfield, August 23, 1946.
Letter from Harold Elliott to Wilder Penfield, 1942.
Letter from Harold Elliott to Wilder Penfield, August 31, 1942.
Letter from Harold Elliott to Wilder Penfield, December 4, 1942.
Letter from Harold Elliott to Wilder Penfield, November 11, 1940.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, April 11, 1945.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, June 12, 1944.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, June 14, 1944.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, June 19, 1944.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, June 26, 1944.
Letter from Harold L. Fetherstonhaugh to Wilder Penfield, June 26, 1944.
Letter from Harold to Wilder Penfield, January 4, 1941.
Letter from Ian Mackenzie to Frank Cyril James, January 4, 1943.
Letter from J. Norman Petersen to Wilder Penfield, July 25, 1940.