Development of the New Testament canon 1290 to include in the Armenian canon several apocryphal books: Advice of the Mother of God to the Apostles, the Books of Criapos, and the ever-popular Epistle of Barnabas. The Armenian Apostolic church at times has included the Testaments of the Twelve Patriarchs in its Old Testament and the Third Epistle to the Corinthians, but does not always list it with the other 27 canonical New Testament books. The New Testament of the Coptic Bible, adopted by the Egyptian Church, includes the two Epistles of Clement. The canon of the Tewahedo Churches is somewhat looser than for other traditional Christian
Development of the Old Testament canon the New Testament when it quotes the Old Testament. Other, older versions of the texts in Hebrew, Aramaic, and Greek, have since been discovered among the Dead Sea scrolls and the Cairo Geniza. The traditional explanation of the development of the Old Testament canon describes two sets of Old Testament books, the protocanonical and the deuterocanonical books. According to this, some Church Fathers accepted the inclusion of the deuterocanonical books based on their inclusion in the Septuagint (most notably Augustine), while others disputed their status based on their exclusion from the Hebrew Bible (most notably Jerome). Michael Barber argues that