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—— Stone, P. G., F.S.A. (Proc. Soc. Antiq., 2nd ser., xvi. 409-11).
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—— Hartshorne, C. H. (Archaeol. Journal, vii. 237-65: Archaeologia Cambrensis, 3rd ser., i. 242-6).
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—— Wood, J. G., F.S.A. The Lordship, Castle, and Town of Chepstow. Newport, 1910.
Chester. Cox, E. W. (Archit., etc., Soc. Chester and North Wales, v. 239-76).