1. John G. Demaray , ‘Pilgrim Text Models for Dante’s Purgatorio ’, Studies in Philology, 66 (1969), 1–24
2. The Many Faces of Cosmo-polis: Border Thinking and Critical Cosmopolitanism
3. Kathy Lavezzo , Angels on the Edge of the World: Geography, Literature, and English Community 1000–1534 (Ithaca, NY: Cornell University Press, 2006)
4. David E. Johnson and Scott Michaelsen , ‘Border Secrets: An Introduction’, in Border Theory: The Limits of Cultural Politics (Minneapolis: University of Minnesota Press, 1997), pp. 1–39 (p. 10)
5. Simply Marvelous