Bolgar, R. R. The genesis and development of the Miles Christianus: R. R. Bolgar. Concepts of the hero in the Middle Ages and the Renaissance : papers of the 4. and 5. Annual Conferences of the Center for Medieval and Early Renaissance Studies. 2 - 3 May 1970, 1 - 2 May 1971.(1975).

Bolgar, R. R. "The Genesis and Development of the Miles Christianus: R. R. Bolgar." Concepts of the Hero in the Middle Ages and the Renaissance : Papers of the 4. and 5. Annual Conferences of the Center for Medieval and Early Renaissance Studies. 2 - 3 May 1970, 1 - 2 May 1971.(1975) .

Bolgar, R. R. "The Genesis and Development of the Miles Christianus: R. R. Bolgar." Concepts of the Hero in the Middle Ages and the Renaissance : Papers of the 4. and 5. Annual Conferences of the Center for Medieval and Early Renaissance Studies. 2 - 3 May 1970, 1 - 2 May 1971.(1975), .