Mr. Jeffreys's reply to a pamphlet presented to the public by Doctor Calvert Holland, of Sheffield, entitled "Plagiarisms of Julius Jeffreys, F.R.S.".

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Mr. Jeffreys's reply to a pamphlet presented to the public by Doctor Calvert Holland, of Sheffield, entitled "Plagiarisms of Julius Jeffreys, F.R.S.". Public Domain Mark. Source: Wellcome Collection.