Amberg, George, 1901- Ballet in America : the emergence of an American art / George Amberg, - New York : Duell, Sloan and Pearce, c1949 - xx, 244 p. : illus., ports. ; 23 cm. Also published by the New American Library with title: Ballet. Subjects--Topical Terms: Ballet--United States. Dewey Class. No.: 792.8 / AMB 1949