1. Y. A. Pope (1824) An Essay on Man, ed. D. Clark (New York: Clark, Austin and Smith), epistle ii, ll 222–6.
2. A. Cunningham and N. Jardine (eds) (1990) Romanticism and the Sciences (Cambridge: Cambridge University Press);
3. N. Heringman (ed.) (2003) Romantic Science: The Literary Forms of Natural History (Albany: State University of New York Press);
4. E. Wilson (2003) The Spiritual History of Ice: Romanticism, Science and the Imagination (New York: Palgrave Macmillan);
5. N. Heringman (2004) Romantic Rocks, Aesthetic Geology (Ithaca: Cornell University Press);