Boulanger, Nadia. (1887 - 1979). [Thibaud, Jacques. (1880-1953)] Autograph Letter to Thibaud re CortotAutograph letter on both sides of small page (3. 5 x 5 inches), written in pencil and signed by the influential French composer, conductor and pedagogue, teacher of many of the 20th century's most important musicians and composers. Addressed to the violinist Jacques Thibaud, in French, relaying a message from "our dear Cortot" [the pianist, Alfred Cortot] that "he accepts the invitation to perform the 2nd Sonata at the SMI Society founded by Faur, on