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 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