"London Musicals 1973"(PDF). Over The Footlights: A History of British Theatre. Archived from the original(PDF) on 25 September 2020. Retrieved 29 November 2014.
"London Musicals 1973"(PDF). Over The Footlights: A History of British Theatre. Archived from the original(PDF) on 25 September 2020. Retrieved 29 November 2014.