Extensive collection of scores, orchestrations, and program notes accumulated by Haenschen for radio musical programming, 1925-1952. While the name of the program is usually identified on the score, in general, the collection cannot be searched by program name.
Contains notes and scripts for the Metropolitan Opera Broadcasts, 1931-1975, scripts for The Chamber Music Society of Lower Basin Street, 1942-1944, WJZ 's Piano House, 1949-1950, General Motors Concerts, 1934-1936, and ABC's Festival, 1955-1957. Also includes handwritten stories for The Children's Hour plus correspondence, clippings and sound recordings.