Clark, Andrew,
ed.
The English Register of Godstow Nunnery… c. 1450.
3 vols.
EETS
o. s. 129 (1905; repr. 1971); 130 (1906; repr. with 142, 1971); 142
(1911; repr. 1971): 5-6.
Patterson, Frank A.
The Middle English Penitential Lyric.
Columbia University Studies in English.
New York: Columbia Press, 1911: 108-10.