"From the Point of View of A Playwright," by Bernard Shaw, collected in Herbert Beerbohm Tree, Some Memories of Him and His Art, Collected by Max Beerbohm (1919). London: Hutchinson, p. 246. Versions at Text ArchiveInternet Archive
George Bernard Shaw, Androcles and the Lion: Overruled : Pygmalion (New York City: Brentano's, 1918), page 109.Archived 14 December 2016 at the Wayback Machine (Note: Alexander M. Bell's first wife was named Eliza.)
"The Modest Shaw Again: Explains in His Shrinking Way Why "Pygmalion" Was First Done in Berlin;- Critics Like It". The New York Times. 23 November 1913. ProQuest97430789.
"Shaw's 'Pygmalion' Has Come to Town: With Mrs. Campbell Delightful as a Galatea from Tottenham Court Road – A Mildly Romantic G. B. S. – His Latest Play Tells a Love Story with Brusque Diffidence and a Wealth of Humor". The New York Times. 13 October 1914. ProQuest97538713.
George Bernard Shaw, Androcles and the Lion: Overruled : Pygmalion (New York City: Brentano's, 1918), page 109.Archived 14 December 2016 at the Wayback Machine (Note: Alexander M. Bell's first wife was named Eliza.)