Photius et ecclesia romana - Photius : Constantinopolitanus, <ca. 820-981>. (OLS)http://semarc/name/9882; Hofmann, Georg, <sj, 1885-1956>. (OLS)http://semarc/name/604 (Textus et documenta in usum exercitationum et praelectionum academicarum Series theologica, 1932)
Keywords: Fozio <patriarca di Costantinopoli; ca. 810-891>. (OLS)http://semarc/subject/45740; Scisma d'Oriente. (OLS)http://semarc/subject/3469; Chiesa cattolica. (OLS)http://semarc/subject/3079