Observations addressed to the public in general on the cow-pox : shewing that it originates in scrophula, commonly called the evil; illustrated with cases to prove that it is no security against the small-pox ... To which are added observations on the small-pox inoculation.

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Observations addressed to the public in general on the cow-pox : shewing that it originates in scrophula, commonly called the evil; illustrated with cases to prove that it is no security against the small-pox ... To which are added observations on the small-pox inoculation. Public Domain Mark. Source: Wellcome Collection.