Isaacson, Robert F 1891a
Isaacson, R.F., ed.; Morris, G.J., ed.; Lawrence, H.E., ed. Calendar of the Patent Rolls Preserved in the Public Record Office. Prepared under the superintendence of the Deputy Keeper of the Public Records. Edward III. A.D. 1327-1330. London: Printed for Her Majesty's Stationery Office by Eyre and Spottiswode, 1891. xii, 776, 38 pp.