Facts decisive in favour of the cow-pock: including the history of its rise ... and the evidence given before ... the Committee of the House of Commons, with their report ... / [Robert John Thornton].

Licence: Public Domain Mark

Credit: Facts decisive in favour of the cow-pock: including the history of its rise ... and the evidence given before ... the Committee of the House of Commons, with their report ... / [Robert John Thornton]. Source: Wellcome Collection.