Book of Numbers twelve princes, one of each tribe. The majority of modern biblical scholars believe that the Torah (the books of Genesis, Exodus, Leviticus, Numbers, and Deuteronomy) reached its present form in the post-Exilic period (i.e., after c.520 BCE), based on pre-existing written and oral traditions and "contemporary geographical and demographic details but even more importantly from contemporary political realities". The five books are often described as being drawn from four "sources" - schools of writers rather than individuals - the Yahwist and the Elohist (frequently treated as a single source), the Priestly source and the Deuteronomist. There is ongoing dispute over
Leviticus Rabbah 23, 31-34, 36, 37). In this, Leviticus Rabbah differs from the Pesikta, for in the Pesikta the individual explanations are seldom lacking. And while the Pesikta rarely quotes lengthy homiletic excerpts after the proems, Leviticus Rabbah quotes such materials after the conclusion of a proem, in the course of each chapter, and even toward the end of a chapter. These excerpts have often very slight reference to the context. But otherwise Leviticus Rabbah carefully follows the form of the Pesikta. The end of each chapter in Leviticus Rabbah, like the Pesikta, consists of a passage containing a Messianic prophecy. The