Narrative of Mr. John Badcock's original experiments illustrative of the relations of small-pox, cow-pox and vaccination, carried-on during twenty years (1840-1860) on 200 cows and large numbers of human beings, whereby many renewed supplies of vaccine lymph were obtained and propagated extensively in the world / by G. F. Hodgson.

Narrative of Mr. John Badcock's original experiments illustrative of the relations of small-pox, cow-pox and vaccination, carried-on during twenty years (1840-1860) on 200 cows and large numbers of human beings, whereby many renewed supplies of vaccine lymph were obtained and propagated extensively in the world / by G. F. Hodgson. Credit: This material has been provided by This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service. where the originals may be consulted.. Public Domain Mark