1. Allen, Graham (2008), Mary Shelley (Critical Issues) (Houndmills: Palgrave Macmillan).
2. Bennett, Betty T. (1978), ‘The Political Philosophy of Mary Shelley’s Historical Novels: Valperga and Perkin Warbeck’, in Reiman, Jaye and Bennett (1978), pp. 354–71.
3. Bennett, Betty T. (1998), Mary Wollstonecraft Shelley: an Introduction (Baltimore: Johns Hopkins University Press).
4. Bennett, Betty T. (2001), ‘“The Science of Letters”: Six Unpublished Mary Shelley Letters’, Keats-Shelley Journal 50, pp. 27–34.
5. Blumberg, Jane (1993), Mary Shelley’s Early Novels: ‘This Child of Imagination and of Misery’ (Houndmills: Macmillan).