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Charles Watson Vickery
Karl Menger (left) and Dr. Nicolas Hofreiter
Lida B. May
Mary Ellen Estill Rudin with her two children [?]
Portrait of Dr. and Mrs. Hallett, Margaret, Rebecca, Henry, George (student of R. L. Moore at the University of Pennsylvania), [and ?] ge (student of R. L. Moore at the University of Pennsylvania, [?]
Spirals