 Many of Vater's conclusions – most prominently, his assertion of the late nature of the Pentateuch as compared to the historical books – mirror the independent work of Wilhelm Martin Leberecht de Wette, whose "Beiträge zur Einleitung in das Alte Testament" was published in 1806-7.Against de Wette, though, Vater supposed, based on historical book allusions to Deuteronomy, that at least some parts of Deuteronomy had existed prior to the collection of the Pentateuch.Besides the "Commentar", his works include