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
Book of Leviticus obsolete." Christians generally have the view that the New Covenant supersedes (i.e., replaces) the Old Testament's ritual laws, which includes many of the rules in Leviticus. Christians therefore have usually not observed Leviticus' rules regarding diet, purity, and agriculture. Christian teachings have differed, however, as to where to draw the line between ritual and moral regulations. Online versions of Leviticus: Related article: Brief introduction Book of Leviticus The Book of Leviticus () is the third book of the Torah and of the Old Testament. Most of its chapters (1–7, 11–27) consist of God's speeches to Moses, in which he is