File consists of 4 theatre programs published by CentreStage Company from 1986 and 1987. CentreStage Company was created in 1970 as part of the Toronto Arts Foundation and was the resident company at the St Lawrence Centre. In 1988 the company merged with Toronto Free Theatre to form the Canadian Stage Company.

Series consists of 638 theatre programs published by Toronto theatres and theatre companies between the years 1959 and 2012.