A Dissertation On The Inoculated Small-Pox

Or, An Attempt Towards An Investigation Of The Real Causes Which Render The Small-Pox By Inoculation, So Much More Mild And Safe, Than The Same Disease When Pro... » 

Or, An Attempt Towards An Investigation Of The Real Causes Which Render The Small-Pox By Inoculation, So Much More Mild And Safe, Than The Same Disease When Produced By The Ordinary Means Of Infection. By John M «