by Saint Gregory the Great and Odo John Zimmermann translated by Odo John Zimmerman, O.S.B.
Catholic University of America Press, 1959 Paper: 978-0-8132-1322-4 | eISBN: 978-0-8132-1139-8 | Cloth: 978-0-8132-0039-2 Library of Congress Classification BR65.G53D5313 2002