'Oedipus and the Sphinx', Jean Auguste Dominique Ingres, (1808). Source: http://www.bookdrum.com/books/the-interpretation-of-dreams/9780199537587/bookmarks-201-225.html.
"This document was originally published in The Drama: Its History, Literature and Influence on Civilization, vol. 1. ed. Alfred Bates. London: Historical Publishing Company, 1906. pp. 106-112."