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.
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.