Epistolai / Nikolaos I, Mystikos, Saint, Patriarch of Constantinople, 852-925. Eutychius, Patriarch of Alexandria, 877-940. text Lutetiæ Parisiorum : J.-P. Migne, 1863. grc 1236 columns ; 28 cm. At head of title: Traditio Catholica, sæculum X, anni 925-956. Greek and Latin. Includes bibliographical references and indexes. Epistolai.