<quoted text>even when you try to present something academically reasonable, you get the years way off.
Augustine quotes the passage. others; Ambrose, Jerome, John Chrysostom, Pacian and Didymus the Blind to name a few.
it is either refered to or found in the;
Didascalia Apostolorum, D (Bezae Cantabrigiensis), Papias of Hierapolis, the Old Latin and Latin Vulgate, and the Apostolic Constitutions.
the Papias of Hierapolis is second century.
while the handfull of the oldest manuscripts don't have it there are more than 900 manuscripts that support it.
there is no academic support for your claim of it not appearing in the bible until the year 1100AD.