French soprano and composer (1829-1910), who appeared in the world premiere productions of Victor Masse's Galathée, Ambroise Thomas's Le Caid, and Adolphe Adam's Le Toreador. Pair of 2 autograph letters signed, one is a 4 page letter composed in 1868, 3.75 x 4.75 inches with full signature, the other contains 2 pages of text on 4 folded pages, size is 5 x 8 inches, signed as "de Ugalde". Both written in French and sold untranslated. Both are in excellent condition, not sold separately.