Development of the New Testament canon Development of the New Testament canon The canon of the New Testament is the set of books Christians regard as divinely inspired and constituting the New Testament of the Christian Bible. For most, it is an agreed-upon list of twenty-seven books that includes the Canonical Gospels, Acts, letters of the Apostles, and Revelation. The books of the canon of the New Testament were written before 120 AD. For the Orthodox, the recognition of these writings as authoritative was formalized in the Second Council of Trullan of 692. The Catholic Church made dogmatic definition upon its Biblical canon in 382 at
New Testament more manuscripts survive that contain a portion or all of the books that were held to be part of the New Testament at that time (for example, the New Testament of the 4th-century Codex Sinaiticus, once a complete Bible, contains the Epistle of Barnabas and the Shepherd of Hermas), though occasionally these manuscripts contain other works as well (e.g., Papyrus 72 and the Crosby-Schøyen Codex). The date when a manuscript was written, however, does not necessarily reflect the date of the form of text it contains. That is, later manuscripts can, and occasionally do, contain older forms of text or