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ספרים בחינם

The Present Method of Inoculating for the Small-Pox To which are added, some experiments, instituted with a view to discover the effects of a similar treatment in the natural small-pox

Thomas Dimsdale · 2015

ספרייה ציבורית, Project Gutenberg. בלי הרשמה.

Smallpox -- Vaccination -- Early works to 1800

עוד של Thomas Dimsdale