Italian librettist, writer and journalist (1853-1941), wrote librettos for Mascagni's L'Amico Fritz and Giordano's Mala Vita as well as a biography of the great Italian tenor Enrico Caruso published in 1938. Autograph letter signed, 2 pages, written on both sides of a 8.5 x 11 inch document, dated in Naples in 1922 and sent to the author of another Caruso biography congratulating him on his work. Composed in Italian and sold with a 2 page typed English translation, 8.25 x 11.75 inches, both documents in excellent condition. Rare historic item!