John A. Hyde daybooks, MSS 2/222, Volume: 1; Volume: 2. Historical Medical Library of The College of Physicians of Philadelphia.
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John A. Hyde daybooks, MSS 2/222, Volume: 1; Volume: 2. Historical Medical Library of The College of Physicians of Philadelphia. https://cpparchives.org/repositories/2/resources/135 Accessed August 27, 2026.