Full Translation Title: Three documents concerning the TetragamyOriginal Author: Nikolaos I, Mystikos, Saint, Patriarch of Constantinople, 852-925.Translator: Jenkins, R. J. H.Series/Journal: Dumbarton Oaks Papers 16, 231-241Publication Year: 1962Type: Journal ArticleOriginal Language: GreekTranslation Language: EnglishGenre: LettersTheologyPolitics and governmentCentury: 10th