Castle, Frederick Augustus. Frederick Augustus Castle papers. 1862-1902. Located in: Modern Manuscripts Collection, History of Medicine Division, National Library of Medicine, Bethesda, MD; MS C 189.
Castle, Frederick Augustus. Frederick Augustus Castle papers. 1862-1902. Located in: Modern Manuscripts Collection, History of Medicine Division, National Library of Medicine, Bethesda, MD; MS C 189. https://findingaids.nlm.nih.gov/repositories/4/resources/300 Accessed May 05, 2024.
