Letter from Wilder Penfield to Frank Cyril James, July 9, 1945.
Letter from Wilder Penfield to Frank Cyril James, June 13, 1944.
Letter from Wilder Penfield to Frank Cyril James, September 12, 1944.
Letter from Wilder Penfield to Frank Cyril James, September 13, 1944.
Letter from Wilder Penfield to Frank Cyril James, September 28, 1944.
Letter from Wilder Penfield to Frank Cyril James, September 5, 1945.
Letter from Wilder Penfield to Freda Bossy, September 16, 1940.
Letter from Wilder Penfield to Frederick P. Keppel, February 21, 1929.
Letter from Wilder Penfield to Frederick P. Keppel, March 7, 1929.
Letter from Wilder Penfield to General Ernest James Renaud, August 4, 1944.
Letter from Wilder Penfield to George Currie, August 4, 1944.
Letter from Wilder Penfield to George Finlay Stephens, June 13, 1944.
Letter from Wilder Penfield to George McDonald, February 7, 1935.
Letter from Wilder Penfield to George McDonald, May 7, 1934.
Letter from Wilder Penfield to George [Jerzy] Chorobski, November 9, 1934.