The Old Testament was derived from the "Torah"(Hebrew). Modern
Bible Scholars call it the Pentiteuche. Five books of Moses. Psalms
& Chronicals were written by David. Proverbs, Escleciastes,
Songs of Songs were written by Solomon. Many were were historical
recordings of Israel from the rign of the Babylonians to the reign
of the Persians till the Romans.
The New Testament, the 1st 4 Cannonical Gospels were written by
Mark, Luke,Matthew, John represents Jesus as Man & Deity, Jesus
as King & Servant. Represented by the four banners of Israel of
the Man, Eagle, Lion & Bull of the twelve tribes of Israel when
they camped in the wilderness. The other books of the New
Testaments such as the book of Peter was written from Peter to
addressing to the Jews & the Gnostic Scholars, Books like Acts,
Corinthians , Galatians, Ephesians were written by Paul adressing
to the Gentiles, the 1st Churches in history. While Revelations
were written by John about the prophecies he received regarding the
end days. Practically the Old Covenant was started by Abraham, the
Law began with Moses, the Finished Work of God started with the
Four Canonical Gospels & the New Covenant, the modern Church
started with Paul in the Book of Acts upon the 1st Pentecost.
All these can be found in the books written by Sister Marilyn
Hickey where she basically dissected the whole Bible.