803 - PASTEUR, Louis (1822–1895). Signed autograph letter addressed to Jules Simon. No place, no date [Paris, May 16, 1887, according to the postmark]. 1 p. in-12, telegram on blue paper. Louis Pasteur pays tribute to the laboratory where he produced his rabies vaccine: “Allow me, dear Master, to remind you of your kind promise to visit the laboratory clinic tomorrow at 11 a.m. at 14 rue de Vauquelin. L. Pasteur.”

PASTEUR, Louis (1822–1895). Signed autograph letter addressed to Jules Simon. No place, no date [Paris, May 16, 1887, according to the postmark]. 1 p. in-12, telegram on blue paper. Louis Pasteur pays tribute to the laboratory where he produced his rabies vaccine: “Allow me, dear Master, to remind you of your kind promise to visit the laboratory clinic tomorrow at 11 a.m. at 14 rue de Vauquelin. L. Pasteur.” Enclosed: - VALLERY-RADOT, René (1853–1933), Louis Pasteur’s son-in-law and his first biographer. L.A.S. Paris, January 1, 1904. 2 pp. ½ in-8. Mourning paper. Regarding an article on Pasteur’s work, which was highly praised by her correspondent. - PASTEUR, Marie-Louise (1858–1934), daughter of Louis Pasteur. Letter from the author. Paris, January 9, 1897. 1 p. ½ in-8. Mourning paper. She sends her correspondent a copy of *L’Histoire d’un savant* (*The Story of a Scientist*), René Valléry-Radot’s biography of Pasteur, published in 1883. - GRANCHER, Jacques-Joseph (1843–1907), pediatrician, chairman of the Board of Directors of the Pasteur Institute. Letter from the author, 1884.