Peter Damian (1007-72)

	Peter Damian, Letters 1-30, Vol. 1. The Fathers of the Church, Mediaeval Continuation, Owen J. Blum, translator. Washington, DC: Catholic University of America Press, 1989. Hbk. ISBN: 0813207029.
	Peter Damian, Letters 31-60 , Vol. 2. The Fathers of the Church, Mediaeval Continuation, Owen J. Blum, translator. Washington, DC: Catholic University of America Press, 1991. Hbk. ISBN: 081320707X. pp.480.
	Peter Damian, Letters, 61-90 , Vol. 3. The Fathers of the Church, Mediaeval Continuation, Owen J. Blum, translator. Washington, DC: Catholic University of America Press, 1992. Hbk. ISBN: 0813207509. pp.475.
	Peter Damian, Letters 91-120, Vol. 4. The Fathers of the Church, Mediaeval Continuation, Owen J. Blum, translator. Washington, DC: Catholic University of America Press, 1998. Hbk. ISBN: 0813208165. pp.440.

	Irven M. Resnick, "Peter Damian on Cluny, Liturgy and Penance," Journal of Religious History 15.1 (1988): 61-75.
	Irven Michael Resnick, Divine Power and Possibility in St Peter Damian's "De Divina Omnipotentia" Studien Und Texte Zur Geistesgeschichte Des Mittelalters. Leiden: Brill, 1992. Hbk. ISBN: 9004095721. pp.130.