"The Journal of Eugene Delacroix: A Selection". Book edited by Hubert Wellington, translated by Lucy Norton, Cornell University Press, June 6, 1824 (p. 45), 1980.
"The Journal of Eugene Delacroix: A Selection". Book edited by Hubert Wellington translated by Lucy Norton (journal entry on January 25, 1857; p. 346), 1980.
"The Journal of Eugene Delacroix: A Selection". Book edited by Hubert Wellington, translated by Lucy Norton, Cornell University Press, February 25, 1852 (p. 152), 1980.