A letter to Sir Henry Halford, bart., president of the Royal College of Physicians, proposing a method of inoculating the small-pox, which deprives it of all its danger, but preserves all its power of preventing a second attack /
by R. Ferguson.

APA Citation

Ferguson, R., Halford, H. (1825). A letter to Sir Henry Halford, bart., president of the Royal College of Physicians, proposing a method of inoculating the small-pox, which deprives it of all its danger, but preserves all its power of preventing a second attack. London: Burgess and Hill.

MLA Citation

Ferguson, Robert, 1799-1865, and Henry Halford. A Letter to Sir Henry Halford, Bart., President of the Royal College of Physicians, Proposing a Method of Inoculating the Small-pox, Which Deprives it of All Its Danger, but Preserves All Its Power of Preventing a Second Attack. London: Burgess and Hill, 1825.