(en) Richard and Antwerp, John Van Lewine, The Fireman's Flame : A Melodrama with Music in Three Acts, Samuel French, Inc, (lire en ligne), p. 5
(en) Ben Brantle, The New York Times Book of Broadway : On the Aisle for the Unforgettable Plays of the Last Century, Macmillan, (lire en ligne), p. 106