The Nuttall Encyclopedia
Inoculation with the matter of cowpox as a protection against smallpox, was introduced 1796-98 by Edward Jenner (q. v .), and at length adopted by the faculty after much opposition on the part of both medical men and the public.
Wood, James, ed. Entry for 'Vaccination'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/v/vaccination.html. Frederick Warne & Co Ltd. London. 1900.