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Pravila pīiticheskīi︠a︡ v polʹzu i︠u︡noshestva, obuchai︠u︡shchagosi︠a︡ v Moskovskoĭ Slaveno-Greko-Latinskoĭ Akademīi, v Zaikonspaskom monastyri︠e︡

by Apollos Bishop of Archangel