1. Barfield, Owen. What Coleridge Thought. London: Oxford University Press, 1972.
2. Beaney, Michael (ed.). The Frege Reader. Oxford: Blackwell, 1997.
3. Blake, William. The Marriage of Heaven and Hell. Edited by Michael Phillips. Oxford: Bodleian Library, 2011.
4. Burwick, Frederick. Mimesis and its Romantic Reflections. University Park: Pennsylvania State University Press, 2001.
5. Coleridge, Samuel Taylor. The Collected Letters of Samuel Taylor Coleridge. Edited by E.L Griggs, 6 vols. Oxford: Clarendon Press, 1956–1971.