A plain statement of facts, in favour of the cow-pox, intended for circulation through the middle and lower classes of society / by John Thomson.

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A plain statement of facts, in favour of the cow-pox, intended for circulation through the middle and lower classes of society / by John Thomson. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.