Bark (botany) rope, used for example in the rigging of Viking age longships. Among the commercial products made from bark are cork, cinnamon, quinine (from the bark of Cinchona) and aspirin (from the bark of willow trees). The bark of some trees notably oak ("Quercus robur") is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch in western North America. Bark is important to the horticultural industry since in shredded form it is used for plants that do not thrive in ordinary soil, such as epiphytes.
The Making of the Pentateuch Hypothesis; Part 2 examines the methodology of form criticism and tradition history as developed by Noth and others; and Part 3 sets out Whybray's own suggestions for the process by which the Pentateuch came to be composed. Whybray's attack on the documentary hypothesis addressed the basic methodology of source criticism, which relies on the existence of inconsistencies, repetitions and stylistic features such as alternative names for God to identify distinctive sources within the biblical text. The assumptions behind this methodology, Whybray says, are illogical and self-contradictory. If the authors of the original documents did not tolerate contradiction and repetition, why