File consists of memoranda, letterhead, promotional materials and ephemera collected by Gerber during his employment at 1050 CHUM Radio in the early 1960s. Included are photographs of Dick Clark and Annette Funicello in Toronto on a promotional tour, with CHUM radio hosts Mike Darrow, Bob McAdorey, Brian Skinner, Bob Laine, Dave Johnson, John Spragge, Al Boliska and Larry Solway, as well as station ephemera and pamphlets, including copies of the "CHUM chart" of weekly top 40 songs (1961-1964), and a 1960 CHUM progress report. A programme for a 1964 production of Hamlet, starring Richard Burton, at the O'Keefe Centre for the Performing Arts, is also included in the file.