1. Alexander, Sarah C., Victorian Literature and the Physics of the Imponderable (London: Routledge, 2015)
2. Antinucci, Raffaella, ‘“Not Another like Him in the World”: Wilkie Collins and the Gentleman Within’, in Armadale: Wilkie Collins and the Dark Threads of Life, ed. by Mariaconcetta Costantini (Rome: Aracne, 2009), pp. 133–154
3. Ascari, Maurizio, A Counter-History of Crime Fiction: Supernatural, Gothic, Sensational (Houndmills: Palgrave Macmillan, 2007)
4. ———, ‘“The Shadow of the Future”: Dreams, Fate and Suspense in Armadale’, in Armadale: Wilkie Collins and the Dark Threads of Life, ed. by Mariaconcetta Costantini (Rome: Aracne, 2009), 197–215
5. Ashton, Rosemary, ‘Doubting Clerics: From James Anthony Froude to Robert Elsmere via George Eliot’, in The Critical Spirit and the Will to Believe: Essays in Nineteenth-Century Literature and Religion, ed. by David Jasper and T. R. Wright (New York: Palgrave Macmillan, 1989), 69–87