Corey, Melinda, and George Ochoa, editors. The Encyclopedia of the Victorian World. Henry Holt and Company, 1996.
Drabble, Margaret, editor. The Oxford Companion to English Literature. 5th ed., Oxford University Press, 1985.
Mudge, Bradford Keyes, and Sara Coleridge. Sara Coleridge, a Victorian Daughter: Her Life and Essays. Yale University Press, 1989. 124