Photograph Signed.
The aristocratic German-Ameican writer cranked out a string of popular biographies often on music and entertainment figures, starting with "Phantom Crown: The Story of Maximilian & Carlota of Mexico" (1934) and concluding with "Concerto: The Glowing Story of Clara Schumann" (1961). PS, 8½" X 10½", n.p., n.y. Very good. Faint..... More