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An inquiry into the small-pox, medical and political : wherein a successful method of treating that disease is proposed, the cause of pits explained, and the methods of their prevention pointed out ; with an appendix, representing the present state of small-pox / by Robert Walker ... Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.