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2. Charles Kegan Paul , William Godwin: His Friends and Contemporaries, 2 vols. (London: Henry S. King, 1876), Vol. I, pp. 25–6
3. The Letters of Mary Wollstonecraft Shelley, 2 vols., ed. Frederick. L. Jones (Norman: University of Oklahoma Press, 1944), Vol. I, p. 373
4. Anna Letitia LeBreton , Memoir of Mrs. Barbauld, Including Letters and Notices of Her Family and Friends. By Her Great Niece (London: George Bell and Sons, 1874), pp. 42–3
5. Frederick Burwick , “Joanna Baillie, Matthew Baillie, and the Pathology of the Passions,” in Joanna Baillie, Romantic Dramatist: Critical Essays, ed. Thomas C. Crochunis (London: Routledge, 2004), pp. 48–69 (49)