Neumann, Felix Jonathan. Felix J. Neumann papers. 1883-1979 (bulk 1883-1935). Located in: Modern Manuscripts Collection, History of Medicine Division, National Library of Medicine, Bethesda, MD; MS C 394.
Neumann, Felix Jonathan. Felix J. Neumann papers. 1883-1979 (bulk 1883-1935). Located in: Modern Manuscripts Collection, History of Medicine Division, National Library of Medicine, Bethesda, MD; MS C 394. https://findingaids.nlm.nih.gov/repositories/4/resources/364 Accessed April 28, 2024.
