Hardaway: Essentials of Vaccination, Chicago, 1882.
Hering: Ueber Kuhpocken an Kühen, Stuttgart, 1839.
Jenner: An Inquiry, etc., 2d ed., London, 1800.
Sacco: Trattato di Vaccinazione, Milano, 1809.
Seaton: A Handbook of Vaccination, London, 1868.
Steinbrenner: Traité sur la vaccine, Paris, 1846.
VARICELLA.
BY JAMES NEVINS HYDE, M.D.