To the History of Preslav Literary School: A Fragment of the Treatise of Irenaeus of Lyon Against Heresies and the Article Against the Arians by Gregory the Theologian in the Izbornik 1073 Read more about To the History of Preslav Literary School: A Fragment of the Treatise of Irenaeus of Lyon Against Heresies and the Article Against the Arians by Gregory the Theologian in the Izbornik 1073
