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 Church, first found as last chapter of the eighth book of the Apostolic Constitutions. Canon n. 85 of the "Ecclesiastical Canons of the Same Holy Apostles" is a list of canonical books, includes 46 books of Old Testament canon which essentially corresponds to that of the Septuagint. The Old Testament part of the Canon n. 85 stated as follows: Karl Josef von Hefele argues that "This is probably the least ancient canon in the whole collection"; even he and William Beveridge believe that the writings of the Apostolic Canons dating from end of the second or early of the third