George Bernard Shaw: The Collected Works of George Bernard Shaw: Plays, Novels, Articles, Letters and Essays: Pygmalion, Mrs. Warren’s Profession, Candida, Arms and The Man, Man and Superman, Caesar and Cleopatra, Androcles And The Lion, The New York Times Articles on War, Memories of Oscar Wilde and more. e-artnow, 2015, ISBN 978-80-268-3390-1, S.2577 (hier im Original zitiert) (google.com).