Parat, M., La Collection Millon, Paris, 1913; Mortimer, J. R., Forty Years Researches in British and Saxon Burial Mounds of East Yorkshire, London, 1905; Jewitt, L., Grave Mounds and their Contents, London, 1870; Cenle, J. S., A Roman Frontier Post and its People, the Fort of Newstead in the Parish of Melzae, 2 vols., Glasgow, 1911; and fifty-two others of similar interest including a collection of British excavation reports (57)