SOURCE-08676Research NeededProbable
'1221, membranes 7, 6, 5, 4, 3, 2, 1', in Calendar of Patent Rolls, Henry III: V...
Full citation
'1221, membranes 7, 6, 5, 4, 3, 2, 1', in Calendar of Patent Rolls, Henry III: Volume 1, 1216-1225, ed. H C Maxwell Lyte (London, 1901), pp. 275-305, British History Online, accessed 28 July 2023