Photograph of William G. MacCallum. Signature: “W. G. MacCallum.” Manuscript note on verso: “Wm. G. McCallum under whom I learned to be a pathologist, 1923-1930, WDF.”
Photograph of William G. MacCallum of the Pathology Staff at Hopkins. He is sitting down with his hands resting on a desk. Facsimile signature.
Publisher: New York: Doris Ulmann.