The oldest surviving Hebrew Bible manuscripts, the Dead Sea Scrolls, date to c. the 2nd century BCE.
[2] Internal evidence within the texts of the 27-book New Testament canon suggests that most of these books were written in the 1st century CE.
[5][6] Dating the composition of the texts relies primarily on internal evidence, including direct references to historical events.
Textual criticism, as well as epigraphic analysis of biblical manuscripts, provides further evidence that scholars consider when judging the relative age of sections of the Bible.
The majority of modern biblical scholars believe that the Torah—Genesis, Exodus, Leviticus, Numbers and Deuteronomy—reached its present form in the post-Exilic period.
While the book probably reflects much of the historic Ezekiel, it is the product of a long and complex history, with significant additions by a "school" of later followers.
[42] The collected book of Psalms was possibly given its modern shape and division into five parts in the post-exilic period, although it continued to be revised and expanded well into Hellenistic and even Roman times.