[Opera] [Bing, Rudolf. (1902 - 1997)] Graf, Herbert. . "The Opera and Its Future in America" inscribed at Christmas to Rudolf Bing. New York: Norton. 1941. First edition. Hardcover. 8vo. 305 pp. Inscribed of the front free endpage to Rudolf Bing, Austrian-born opera impresario who worked in Germany, the United Kingdom and the United States, most notably being General Manager of the Metropolitan Opera in New York from 1950 to 1972.  "To Mr. Rudolf Bing with all best wishes for his important work "The Opera and its Future in America" from Hubert Graf / New York, X-Mas 1949."   Blue cloth binding sunned and stained with tears and wear to corners, internally fine.