The Song of Dermot and the Earl : an old French poem from the Carew MS no. 596 ... at Lambeth / edited with a literal translation and notes by Goddard Henry Orpen. - Orpen, Goddard Henry, Litt.D., F.S.A., 1852-1932; Regan, Maurice, fl. 1171 (Clarendon Press, 1892)