Communiqués par David R Hibbard

Cover for David R Hibbard · A Treatise on Cow-pox. In Which the Existence of Small-pox, or Varioloid in Any Form, Subsequent to Vaccination, is Shown to Arise From Some Imperfection in Its Performance, and Not the Result of Inefficacy on the Part of the Vaccina to Shield The... (Paperback Book) (2021)
Paperback Book
A Treatise on Cow-pox. In Which ...
David R Hibbard