Development of the Old Testament canon "Apocrypha" ("hidden"). To counter Luther's "heresy", the fourth session of the Catholic Council of Trent in 1546 confirmed that the deuterocanonical books were equally authoritative as the protocanonical in the Canon of Trent in the year Luther died. Following Jerome's "Veritas Hebraica" (truth of the Hebrew) principle, the Protestant Old Testament consists of the same books as the Hebrew Bible, but the order and division of the books are different. Protestants number the Old Testament books at 39, while the Hebrew Bible numbers the same books as 24. The Hebrew Bible counts Samuel, Kings, and Chronicles as one book each,
Testament of Isaac Testament of Isaac The Testament of Isaac is a work now regarded as part of the Old Testament apocrypha. It is often treated as one of a trio of very similar works, the other two of which are the Testament of Abraham and Testament of Jacob, though there is no reason to assume that they were originally a single work. All three works are based on the Blessing of Jacob, found in the Bible, in their style. The Testament of Isaac has heavy Christian themes, though the Christian elements are usually regarded as later additions to what was originally a