Eugene Ormandy Carbon copy of typed letter, to Julius Seebach 18 September 1956 Eugene Ormandy Carbon copy of typed letter, to Julius Seebach 2 October 1956 Eugene Ormandy Carbon copy of typed letter, to Roger W. Clipp 17 December 1958 Eugene Ormandy Carbon copy of typed letter, to James C. Weaver 31 October 1960 Broadcast Pioneers Plaque
