For the earlier date, with focus on some form of “original” text, see Tov, Textual Criticism of the Hebrew Bible (Minneapolis, MN: Fortress, 1993), pp. 313–349; for the later date, with focus on the earliest community-accepted texts, see Talmon, “The Textual Study of the Bible—A New Outlook,” in Qumran and the History of the Biblical Text, ed. Frank Moore Cross and Talmon (Cambridge, MA: Harvard Univ. Press, 1975), p. 325; and see also Sanders, “Hermeneutics of Text Criticism,” pp. 16–20.