I do think that the Josianic return to the archaic form of the Passover is appropriate and, indeed, historical. Josiah does go back to a different, earlier tradition, the time of a central sanctuary in which the law code was read. But then there were accretions to the Book of Deuteronomy.
Frank Moore CrossIt has been said that in order to pursue the history of Biblical interpretation, you must include the whole philosophy of the West, which informs it at every stage.
Frank Moore Cross