Observations on the cow pox : in which the prejudices commonly entertained against it, are attempted to be removed ... Addressed to the poor in general, and those of Wandsworth in particular / By Thomas Smart.

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Observations on the cow pox : in which the prejudices commonly entertained against it, are attempted to be removed ... Addressed to the poor in general, and those of Wandsworth in particular / By Thomas Smart. Public Domain Mark. Source: Wellcome Collection.