Old Testament – Genesis, Exodus, Leviticus, book of Numbers and Deuteronomy – reached their present form in the Persian period (538–332 BC), and their authors were the elite of exilic returnees who controlled the Temple at that time. The books of Joshua, Judges, Samuel and Kings follow, forming a history of Israel from the Conquest of Canaan to the Siege of Jerusalem c. 587 BC. There is a broad consensus among scholars that these originated as a single work (the so-called "Deuteronomistic history") during the Babylonian exile of the 6th century BC. The two Books of Chronicles cover much the same material
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