Audience members (including Max Rieser?); Second International Congress of the International Union for the Philosophy of Science; Zurich Portraits Groups Men

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Audience members (including Max Rieser?); 3rd International Congress of Aesthetics; Venice Portraits Groups

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Group US Army military portrait including Dr. William Levison (top row, third from left); Schofield Barracks, Hawaii Portraits Groups Men

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Group portrait including Kurt Rosenberg (seated second from left).

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Manuscript Items relating to the Civil War, including letters

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