Brand, J.D., The English Coinage 1180-1247, London, 1994, 92pp, 5 plates; Brooke, G.C., English Coins, 2nd edn, London, 1942, xii + 277pp, 64 plates; Eaglen, R.J., The Abbey and Mint of Bury St Edmunds to 1279, London, 2006, xiv + 357pp, 21 plates; Mossop, H.R., The Lincoln Mint c. 890-1279, Newcastle, 1970, 32pp, 102 plates; North, J.J., English Hammered Coinage, 1st edn, 2 vols, London, 1963 & 1960, 200 + 183pp, 16 + 10 plates; Pirie, E.J.E., Sylloge of Coins of the British Isles 21: Coins in Yorkshire Collections, London, 1975, lxvii + 2pp, 56 plates; Warhust, M., Sylloge of Coins of the British Isles 29: Merseyside County Museums, London, 1982, xxxii pp, 39 plates [8]. Varied state £70-£90