Letter and "Statistical Analysis of Fees" from John Kershman to Wilder Penfield, September 24, 1944.
Letter and proposal from Fetherstonhaugh & Durnford to Wilder Penfield, December 9, 1942.
Letter certifying Wilder Penfield's attendance and degree completion at Princeton University, March 17, 1914.
Letter from "President" to Eileen C. Flanagan, August 31, 1945.
Letter from "President" to Wilder Penfield, August 31, 1945.
Letter from "Secretary to Dr. Penfield", Ann Dawson to Lucy Allen, January 31, 1942.
Letter from A.A. Hodgson To Wilder Penfield, July 2 1934.
Letter from A.G.L. McNaughton to Wilder Penfield, September 26, 1939.
Letter from A.J. Fairbanks to Sir William Osler, March 28, 1916.
Letter from Alan Gregg to Theodore Weisenburg, January 12, 1933.
Letter from Alan Gregg to Wilder Penfield April 22, 1932.
Letter from Alan Gregg to Wilder Penfield, April 14, 1932.
Letter from Alan Gregg to Wilder Penfield, August 2, 1934.
Letter from Alan Gregg to Wilder Penfield, December 21, 1949.
Letter from Alan Gregg to Wilder Penfield, January 13, 1933.