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Credit
Typescript memorandum from Colonel J.P. Crowdy, Professor of Army Health, to Major General A. MacLennan, RAM College library, re commemoration of the centenary of the death of Dr. Edmund Alexander Parkes, first Professor of Hygiene at the Army Medical School, 1860-1876. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.