London, GB, Wellcome Historical Medical Library, MS 253 Date:1278 -1279 Dimensions:152 cm Length x27.5 cm Width Number of Pieces:2.5 Type:GB Roy. Gen. Orientation:V Shelfmark:MS 253 Provenance:England Contents:Roll given to King Edward and containing at its conclusion the fees paid to Master Simon the Surgeon on 9th June 1278. Description:On vellum and bound with boards, half-membrane is loose. Bibliography:Moorat, S.A.J. Catalogue of Western Manuscripts on Medicine and Science in the Wellcome Historical Medical Library. I. MSS. Written before 1650 A. D. London: The Wellcome Historical Medical Library, 1962. p.156. Smith, J. Beverley, and Llinos Smith. History of Merioneth II: The Middle Ages. Cardiff: University of Wales Press, 2001, p. 47. Smith, J. Beverley. Llywelyn Ap Gruffudd: Prince of Wales. Chicago: University of Chicago Press, 1998, pp. 426, 433, 449 Taylor, A. J. P. Studies in Castles and Castle-Building. London: Hambledon, 1985, p. 178.