Langland, William
Visions from Piers Plowman
Phoenix House, [1959]
 Buku Teks SO
Ruggiers, Paul G.
The art of the Canterbury tales
Madison University of Wisconsin Press, 1967
 Buku Teks SO
Langland, William
Piers plowman with Sir Gawain and the Green Knight, Pearl and Sir Orfeo (Anon)
Everyman's Library, 1981
 Buku Teks SO
Chaucer's "prologue to canterbury tales" as a picture of contemporary society
 Artikel Jurnal
Thecanterbury tales : nine tales and the general prologue : authoritative text sources and backgrounds criticism
edited by V.A. Kolve and Glending Olson
W.W. Norton, 1989
 Buku Teks SO