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An inquiry concerning the history of the cowpox, Principally with a view to Supersede and Extinguis…
printed for J. Johnson, No. 72, St. Paul's Church Yard
1798
An inquiry concerning the history of the cowpox, Principally with a view to Supersede and Extinguis…
printed for J. Johnson, No. 72, St. Paul's Church Yard
1798