1. For an introduction to the nature of revelation, see Avery Dulles, Models of Revelation (Dublin: Gill & Macmillan, 1983)
2. and, more recently, Keith Ward, Revelation and Reason (Oxford: Oxford University Press, 1994).
3. See Richard Southern, Saint Anselm: A Portrait in a Landscape (Cambridge: Cambridge University Press, 1990), pp. 197–227.
4. For the various forms intertextuality can take, see Intertextuality: Theories and Practices, eds Michael Worton and Judith Still (Manchester: Manchester University Press, 1990).
5. For a discussion of Aquinas’ view of analogy, see David Burrell, Aquinas: God and Action (London: Routledge & Kegan Paul, 1979); and Knowing the Unknowable God (Notre Dame: University of Notre Dame Press, 1986).