Includes introduction by Dr. Richard Strauss. Strauss, Richard, 1864-1949, composer.; Krauss, Clemens, d 1893-1954, librettist.; Strauss, Richard, 1864-1949.; D'Amico, Fedele, ǂe arranger of music.; Klussmann, Ernst Gernot, ǂe arranger of music.; Teatro comunale di Bologna.