上智大学中世思想原典集成 全20巻の西欧修道制に関する諸著作 Owen Chadwick "Western Asceticism" Philadelphia: The Westminster Press, 1963 C. H. Lawrence "Medieval Monasticism: Forms of Religious Life in Western Europe in the Middle Ages" London and New York: Longman, 2nd edition, 1989 Robert Martlett "The Making of Europe: Conquest, Colonization, and Cultural Change 950-1350" Princeton: Princeton University Press, 1994