^'Sibton Abbey, in Suffolk', in W. Dugdale, ed. J. Caley, H. Ellis and B. Bandinel, Monasticon Anglicanum: A History of the Abbeys and Other Monasteries, etc. New edition, Volume V (James Bohn, London 1846), pp. 558-62 (Google).
^D. Knowles and R.N. Hadcock, "Medieval Religious Houses: England and Wales" (Longmans, Green, 1953), p. 115.
^J. Round, 'CXL. The Early Sheriffs of Norfolk', English Historical Review XXXV (1920), pp. 481-96 (Internet Archive).
^L.S. Harley, 'Medieval floor-tiles from Blythburgh', Proceedings of the Suffolk Institute of Archaeology, XXXIII Part 3 (1972), pp. 276-79 (Suffolk Institute pdf).