Samuel, 1890, and elsewhere) to recover here the Yahwistic (or Judaean) and Elohistic (or Ephraimite) sources of the Hexateuch, see the criticisms of B.
This is the name preferred by the Elohistic writer (E) whose work is interwoven into the Old Testament narrative, and he is followed by the Deuteronomist school (D).
He still, however, held the accepted view, that the Elohistic narratives formed part of the Grundschrift and therefore belonged to the oldest portions of the Pentateuch.
The reasons urged against the contention that the priestly legislation and the Elohistic narratives were separated by a space of 500 years were so strong as to induce Graf, in an essay, "Die sogenannte Grundschrift des Pentateuchs," published shortly before his death, to regard the whole Grundschrift as post-exilic and as the latest portion of the Pentateuch.
But if we remove them we get a continuous body of Levitical Elohim psalms, or rather two collections, the first Korahitic and the second Asaphic, to which there have been added by way of appendix by a non-Elohistic editor a supplementary group of Korahite psalms and one psalm (certainly late) ascribed to David.