English vaccination and small pox statistics : with special reference to the report of the Royal Commission, and to recent small pox epidemics / by Noel A. Humphreys.

  • Humphreys, Noel A.
Date:
[1897]

Licence: Public Domain Mark

Credit: English vaccination and small pox statistics : with special reference to the report of the Royal Commission, and to recent small pox epidemics / by Noel A. Humphreys. Source: Wellcome Collection.

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