It was all there to begin with. You may want to check the history of the Vulgate.
The first mass produced printed book was the Bible, a version based on the Latin edition from about 380 AD.. The Bible was printed at Mainz, Germany by Johannes Gutenberg from 1452 -1455.
Um....That's Catholic. The "oracles of God" were entrusted to the Jews, not the Catholics. You might want to check the council of Jamnia.