1. Archenholz, Johann Wilhelm von. A Picture of England: containing a description of the laws, customs, and manners of England. 2 vols., London: Edward Jeffery, 1789.
2. Blake, William. “London.” Blake’s Poetry and Designs, edited by Mary Lynn Johnson and John E. Grant, 2nd edition, New York: W.W. Norton, 2007, p. 41.
3. Burke, Edmund. A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful. Edited by Paul Guyer, Oxford: Oxford University Press, 2015.
4. Carr, Nicholas. The Shallows: How the Internet is Changing the Way we Think, Read and Remember. London: Atlantic Books, 2010.
5. Coleridge, Samuel Taylor. “Frost at Midnight.” The Collected Works of Samuel Taylor Coleridge: Poetical Works: Poems (Reading Text), edited by J. C. C. Mays, Princeton: Princeton University Press, 2001, pp. 453-456.