ISBN 978-0-7524-1949-7. Ward, John. Romano-British Buildings and Earthworks. 1911. White, Donald A. Litus Saxonicum: the British Saxon Shore in Scholarship and
Training-ground for Archaeologists: Francis Haverfield and the Invention of Romano-British Archaeology. Oxbow. 2007. ISBN 978-1-84217-280-3. 维基文库中该作者的作品: 弗朗西斯·J·哈弗菲尔德