The Making of the Pentateuch Pentateuchal origins the composition and dates of the first five books of the Old Testament. In the closing decades of the 19th century Julius Wellhausen published "Prolegomena zur Geschichte Israels", in which he had set out the definitive version of the historical development of the Hebrew bible. According to this hypothesis, the Pentateuch Genesis, Exodus, Leviticus, Numbers and Deuteronomy was originally four separate documents, retelling the same episodes and stories, but with differing emphases designed to further the theological and political agendas of their authors. Their combination by a Redactor (editor) into a single narrative spread over five books had
Leviticus Rabbah composed largely of older works. Its redactor made use of Genesis Rabbah, Pesikta de-Rav Kahana, and the Jerusalem Talmud, in addition to other ancient sources. The redactor appears to have referred also to the Babylonian Talmud, using several expressions in the sense in which only that work employs them. Leviticus Rabbah is not a continuous, explanatory interpretation to Leviticus, but a collection of exclusive sermons or lectures on the themes or texts of that book. It consists altogether of 37 such homilies, each of which constitutes a separate chapter. Leviticus Rabbah often refers to Scriptural passages on which the homilies