Eusebius of Caesarea, Church History 4.18 (reporting Justin, Dialogue 82)
And he also writes that prophetic gifts shone in the church even up to his own time; and he mentions John’s Apocalypse, saying clearly that it is the apostle’s…
Greek
Γράφει δὲ καὶ ὡς ὅτι μέχρι καὶ αὐτοῦ χαρίσματα προφητικὰ διέλαμπεν ἐπὶ τῆς ἐκκλησίας, μέμνηταί τε τῆς Ἰωάννου Ἀποκαλύψεως, σαφῶς τοῦ ἀποστόλου αὐτὴν εἶναι λέγων.