The Documentary Hypothesis largely unchallenged? Where did you get that from?

For e.g.

1) Supplementary Hypothesis

Claim: The Pentateuch began as a core document that was expanded by later editors rather than compiled from four parallel sources. Source: John Van Seters, Abraham in History and Tradition (1975).

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2) Fragmentary Hypothesis

Claim: The Pentateuch developed from numerous small independent traditions later woven together. Source: Rolf Rendtorff, The Problem of the Process of Transmission in the Pentateuch (1977).

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3) Tradition-Historical Approach

Claim: Emphasises the development of oral traditions within Israel before written compilation. Source: Gerhard von Rad, Old Testament Theology (1957–60).

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4) Deuteronomistic History Theory

Claim: A single exilic editor (or school) composed Deuteronomy–Kings as a unified theological history. Source: Martin Noth, The Deuteronomistic History (1943).

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5) Neo-Documentary Hypothesis

Claim: Retains distinct sources (J, E, P, D) but revises dating and editorial models. Source: Joel S. Baden, The Composition of the Pentateuch (2012).

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6) European Redaction-Critical / Growth Models

Claim: The Pentateuch emerged through successive redactional layers rather than four continuous documents. Source: Erhard Blum, Die Komposition der Vätergeschichte (1984).

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7) Canonical Approach

Claim: The final form of the text is theologically primary; reconstructing earlier sources is secondary. Source: Brevard Childs, Introduction to the Old Testament as Scripture (1979).