There was certainly an old law code which stands behind the earliest form of Deuteronomy. Presumably that is what was lost.
Frank Moore CrossThe history of interpretation [of the Bible] is fascinating; but that is something else.
Frank Moore CrossWe are thrown back on the text, for the most part. Archaeology can give us background. It doesn't either confirm or disprove the Bible, but it may illuminate it.
Frank Moore Cross[Sacrifice of Isaac] is a major theme of the so-called Elohist [one authorial strand in the Pentateuch]. It is marked by all of his linguistic characteristics, and so on. We cannot determine what is historical and what isn't. As literary critics, we would understand the importance of this for understanding life, destiny. But the historical question must be left with a question mark.
Frank Moore Cross