A history of Penance being a study of the authorities / by Oscar D. Watkins. - Watkins, Oscar D. (OLS)http://pul/name/44256 (Burt Franklin, 1961)
Note bibliografiche.
Vol. I: The whole Church to a.D. 450 -- vol II. The Western Church from a.D. 450 to a.D. 1215.