A letter to Dr. Penfield verifying Blackstock’s original illustrations
Graphic material used in “The Cerebral Cortex of Man” (1950), Wilder Penfield Fonds, Osler Library, McGill University.
In this correspondence, Oxford University Press inquires about the return of medical illustrations submitted by Wilder Penfield. The handwritten response suggests an awareness of their lasting value and a desire to retain them.