Robert of Bridlington "Book of Exodus", which survives in two manuscripts, a commentary on the minor prophets, surviving in three copies, a commentary on the Pauline Epistles in two extant copies, and a commentary on the visions in the "Book of Revelation", surviving in two manuscripts. The work on Revelation may have been by Robert of Cricklade. None of these works have been published yet. Robert's works that do not survive include a commentary on the "Book of Genesis", one on the "Book of Leviticus", a commentary on the "Book of Numbers", a treatise on the "Book of Deuteronomy", a commentary on the
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,