In The Making of the Pentateuch (1987) Whybray examined the evidence for the Documentary Hypothesis, the dominant hypothesis on the origins of the Pentateuch for more than a century, and concluded that it was insubstantial.
Dalam The Making of the Pentateuch (1987) Whybray meneliti bukti-bukti yang dipakai oleh Hipotesis dokumen, hipotesis dominan mengenai asal-usul Pentateukh selama lebih dari seabad, dan menyimpulkan bahwa bukti-bukti itu tidak substansial (tidak kuat).