Lawrence, Robert G. “John Ripley Ed. Gilbert Parker and Herbert Beerbohm Tree Stage, ’The Seats of the Mighty’; John Coldwell Adams. Seated With the Mighty: A Biography of Sir Gilbert Parker”. Theatre Research in Canada Recherches théâtrales Au Canada, vol. 9, no. 2, June 1988, https://journals.lib.unb.ca/index.php/TRIC/article/view/7339.