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 the Pathology Staff, Johns Hopkins Hospital, 1928-1929. MacCallum is seated in the center of the front row, fourth from left. Forbus is at far right, second row.
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.