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,
Development of the Old Testament canon associated with it, issued a biblical canon identical with the list given at Trent, or if not the list is at least a 6th-century compilation claiming a 4th-century imprimatur. He was encouraged his personal secretary, Jerome, in the Vulgate translation of the Bible. Damasus's commissioning of the Latin Vulgate edition of the Bible was instrumental in the fixation of the canon in the West. This list, given below, was purportedly endorsed by Pope Damasus I: (only shown the Old Testament part) The two books of Esdras refer to the books of 1 Esdras and Ezra-Nehemiah, "1 Esdras" is entitled 'Third