In June 1946, 2UE announced it was seeking 25-minute original radio plays for broadcast as part of a series called Authors' Playhouse. The series began broadcasting in July 1946, and was broadcast on 2UE, 3DB, 4BK, and 5AD.
Sources:
'Search for Authors', ABC Weekly, 8 June 1946, p.38.
Number in series: 4