1. Jean Frappier, “Structure et sens du Tristan: version commune, version courtoise,” Cahiers de Civilisation Médiévale 6 (1963): 255.
2. Philippe Walter, Le Gant de verre: le mythe de Tristan et Yseut (La Gacilly: Editions Artus, 1990), p. 235.
3. See Paull Franklin Baum, “The Young Man Betrothed to a Statue.” See also Lucy Polak,“The Two Caves of Love in the Tristan by Thomas,” Journal of the Warburg and Courtauld Institutes 33 (1970): 652–669, especially 60–63.
4. Georges Duby, Le Temps des cathédrales: l’art et la société 980–1420 (Paris: Gallimard, 1976), p. 339. My translation.
5. James Snyder, Medieval Art: Painting-Sculpture-Architecture Fourth—Fourteenth Century (Englewood Cliffs, NJ: Prentice-Hall, Inc., 1989), p. 245.