Tennessee Williams (1971). “The Theatre of Tennessee Williams: The milk train doesn't stop here anymore. Kingdom of Earth (The seven descents of Myrtle). Small craft warnings. The two-character play”, p.107, New Directions Publishing
"The History of Freedom in Antiquity". Lord Acton's opening statement of his speech on February 28, 1877; later quoted in "The History of Freedom and Other Essays" edited by John Neville Figgis and Reginald Vere Laurence, 1907.