Useful material on The Doctor's Wife includes the following books and articles (list in progress):

Patrick Brantlinger, "What is 'Sensational' about the 'Sensation Novel'?" Nineteenth-Century Fiction 37, no. 1 (1982 June): p. 1-28.

Ann Cvetkovich, Mixed Feelings: Feminism, Mass Culture, and Victorian Sensationalism New Brunswick, N.J. : Rutgers University Press, c1992.

Nicholas Daly, "Blood on the Tracks: Sensation Drama, the Railway, and the Dark Face of Modernity" Victorian Studies 42, no. 1 (1998-1999 Winter): p. 47-76.

Nicholas Daly, "Railway Novels: Sensation Fiction and the Modernization of the Senses" ELH 66, no. 2 (1999 Summer): p. 461-87.

Pamela K. Gilbert, Disease, Desire, and the Body in Victorian Women’s Popular Novels Cambridge and New York: Cambridge University Press, 1997.

Jonathan Loesberg, "The Ideology of Narrative Form in Sensation Fiction" Representations 13, (1986 Winter): p. 115-38.

D.A. Miller, "Cage aux Folles: Sensation and Gender in Wilkie Collins's The Woman in White" in Hawthorn, Jeremy (ed.); The Nineteenth-Century British Novel London : E. Arnold, 1986. P. 95-124.

Lyn Pykett, The Sensation Novel: from The Woman in White to The Moonstone Plymouth, U.K. : Northcote House in association with The British Council, 1994.

Marlene Tromp, Pamela K. Gilbert, and Aeron Haynie. (eds.) Beyond Sensation: Mary Elizabeth Braddon in context Albany : State University of New York Press, 2000.