The owl and the nightingale - Ker,neil Ripley ed.; Guilford, Nicholas de, 1250 supposed auth.; Oxford University. Jesus Collge. Library. Mss: (29).; British Museum. Mss. (Cottonian Caligula A. IX). (London Published for the Early English texts Society by Oxford University Press, 1963)
Authorship has been attributed to Nicholas de Guildford.
"Two other leaves of the Jesus manuscript, from the passion of Our Lord and Le petit piet respectively, have been included for comparison."