Libri, Guillaume, 1803-1869. (Personal Name)
His Notice des manuscrits de quelques biblioth#eques des départements, 1842: t.p. (G. Libri)
LC manual cat. (hdg.: Libri, Guillaume, 1803-1869)
NUC pre-56 (hdg.: Libri, Guillaume, 1803-1869; usage: Guillaume Libri, G. Libri, M. Libri; on Eng. and Ital. bks., Guglielmo Libri)
Bib. nat. (hdg.: Libri-Carrucci della Sommiaa [sic], Cte Guillaume-Brutus-Icile-Timoléon; running headers give spelling Sommaia)
Grand Larousse encyc., c1962 (Libri Carucci dalla Sommaia, Guillaume, comte de, 1803-1869, mathematician and historian of science; prof. at U. of Pisa, in 1830 he fled to France and became French citizen 1833; prof. at Collège de France, then inspecteur général de l'instruction publique and inspecteur des bibliothèque de France; a pattern of missing books and mss. began to be noticed after his visits and an investigation was started; Libri fled to London in 1848; in 1850 French court sentenced him; French govt. eventually able to recover some of the items)
Encic. ital. (Libri, Guglielmo Icilio Timoleone, conte Carrucci della Somaia, b. Florence 01-02-1803, d. Fiesole 09-28-1869)
The life and times of Guglielmo Libri (1802-1869), 1995: p. 19 (d. of b. prob. 01-02-1802 according to a birth certificate drawn up in 1850)
Encyc. Brit., 15th ed.