Ballen, Dorothy (1914), Bibliography of Road-making and Roads in the United Kingdom, London: P.S. King & Son, pp. 17, 81, 170, 180, 181, 184, 208, 212, 221, (n38, 107, 191, 201, 202, 205, 229, 233, 242 in electronic page field), retrieved 22 June 2010. (Full text at Internet Archive. Entering "Hooley" into search field brings up page links).