"An Inquiry into the Origin and Early History of Engraving upon Copper in Wood, with an Account of Engravers and their Works", William Young Ottley; "A Treatise on Wood Engraving, Historical and Practical", William Andre Chatto; "A Memoir of Thomas Beqwick, Written by Himself", Thomas Bewick; "The Bewick Collector - a Descriptive Catalogue of the Works of Thomas and John Bewick...", Thomas Hugo; "Life of William Blake, with Selections from his Poems and other Writings", Alexander Gilchrist; "A History of Wood-Engraving", George E. Woodberry.