IBBO [International biography and bibliography of ophthalmologists and vision scientists]
/ Jean-Paul Wayenborgh ; C. Richard Keeler ; Saiichi Mishima. - Ostende, Belgium :
J. P. Wayenborgh, t. 1, 2001, p. 461-462
https://en.wikipedia.org/wiki/Jacob_Hermann_Knapp [2024.02.09]
Information trouvée : Jacob Hermann Knapp (March 17, 1832 – April 30, 1911), also known as Hermann Knapp,
[1] was a German-American ophthalmologist and otolaryngologist