Against the Heresies, Volume I, Book I
St. Irenaeus of Lyons
Translated and Annotated by Dominic J. Unger, O.F.M. Cap.
With Further Revisions by John J. Dillon
A Collection of Letters to Nuns
by the Optina Elder and Director of the Skete, Hieroscemamonk Anatoly
Published in Russian by the Kozelsk Optina Hermitage of the Entry of the Theotokos, Holy Trinity-St. Sergius Lavra Press, 1910
Translated by Holy Nativity Convent