Arethae archiepiscopi Caesariensis Scripta Minora. Vol. II - Arethás z Kaisareje, metropolita, asi 850-asi 932; Westerink, Leendert Gerritt, -1990 (Leipzig : BSB B.G. Teubner Verlagsgesellschaft, 1972)
Nicetae Paphlagonis epistvlae
Keywords: prameny; sources