An essay on the small pox ... To which is subjoin'd ... reflections ... on the modern practice of inoculation. In which the two grand objections ... are examin'd and refuted / [Charles Perry].

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An essay on the small pox ... To which is subjoin'd ... reflections ... on the modern practice of inoculation. In which the two grand objections ... are examin'd and refuted / [Charles Perry]. Public Domain Mark. Source: Wellcome Collection.