Adams, Robert. 2013. Langland and the Rokele Family: The Gentry Background to Piers Plowman. Dublin: Four Courts Press.
Aers, David. 1975. Piers Plowman and Christian Allegory. London: Edward Arnold.
Aers, David. 1980. Chaucer, Langland, and the Creative Imagination. London: Routledge & Kegan Paul.
Aers, David. 1988. Community, Gender, and Individual Identity: English Writing, 1360-1430. London: Routledge.
Alford, John A. 1988. A Companion to Piers Plowman. Berkeley: University of California Press.
Anon. 1961. ‘Archiv Für Das Studium Der Neueren Sprachen Und Literaturen’.
Anon. n.d.-a. ‘International Piers Plowman Society’. Retrieved (http://www.piersplowman.org/index.asp).
Anon. n.d.-b. ‘Medieval English Political Writings | Robbins Library Digital Projects’. Retrieved (http://d.lib.rochester.edu/teams/publication/dean-medieval-english-political-writings).
Anon. n.d.-c. ‘Piers Plowman Electronic Archive’. Retrieved (http://piers.chass.ncsu.edu/).
Anon. n.d.-d. ‘Preste, Ne Monke, Ne Yit Chanoun | Robbins Library Digital Projects’. Retrieved (http://d.lib.rochester.edu/teams/text/dean-medieval-english-political-writings-preste-ne-monke-ne-yit-chanoun).
Anon. n.d.-e. ‘Richard the Redeless and Mum and the Sothsegger | Robbins Library Digital Projects’. Retrieved (http://d.lib.rochester.edu/teams/publication/dean-richard-the-redeless-and-mum-and-the-sothsegger).
Anon. n.d.-f. ‘Robert Crowley’s “Piers Plowman” by THORNE, J. R.. UHART, MARIE-CLAIRE’. Retrieved (https://0-data-journalarchives-jisc-ac-uk.pugwash.lib.warwick.ac.uk/view?pubId=proquestpdf00200020-1986-055-00-000017pdf&tab=title&jid=393239333234383430%2331323837303431383839).
Anon. n.d.-g. ‘The Yearbook of Langland Studies’.
Baker, D. 2005. ‘Showings : Authoritative Text, Contexts, Criticism’. Pp. 70–82 in Showings. New York: W.W. Norton.
Baker, Denise Nowakowski and Julian. 2005. Showings. New York: W.W. Norton.
Baldwin, Anna P. 1981. The Theme of Government in Piers Plowman. Vol. 1. Cambridge: Brewer.
Barney, Stephen A. 2006. The Penn Commentary on Piers Plowman: Volume 5: C Passūs 20-22 ; B Passūs 18-20. Philadelphia, Pa: University of Pennsylvania Press.
Barr, Helen. 1994. Signes and Sothe: Language in the Piers Plowman Tradition. Vol. 10. Cambridge: D.S. Brewer.
Bloomfield, Morton W., Larry Dean Benson, Siegfried Wenzel, and Western Michigan University. Medieval Institute. 1982. The Wisdom of Poetry: Essays in Early English Literature in Honor of Morton W. Bloomfield. Kalamazoo, Mich: Medieval Institute Publications, Western Michigan University.
Burrow, J. A. 1971. Ricardian Poetry: Chaucer, Gower, Langland and the ‘Gawain’ Poet. London: Routledge & Kegan Paul.
Calabrese, Michael A., Tison Pugh, and R. Barton Palmer. 2016. An Introduction to Piers Plowman. Gainesville: University Press of Florida.
Cole, Andrew, and Andrew Galloway, eds. 2014. The Cambridge Companion to Piers Plowman. New York: Cambridge University Press.
Dobson, R. 1983. ‘The Rebels in London According to Henry Knighton’. Pp. 181–87 in The Peasants’ Revolt of 1381. London: Macmillan.
Donaldson, E. Talbot. 1966. Piers Plowman: The C-Text and Its Poet. Vol. v. 113. [Hamden, CT]: Archon Books.
Galloway, Andrew. 2006. The Penn Commentary on Piers Plowman: Volume 1: C Prologue-Passus 4 ; B Prologue-Passus 4 ; A Prologue-Passus 4. Philadelphia, Pa: University of Pennsylvania Press.
Galloway, Andrew, Ralph Hanna, and Stephen A. Barney. n.d. The Penn Commentary on Piers Plowman. Philadelphia: University of Pennsylvania Press.
Griffiths, Lavinia. 1985. Personification in Piers Plowman. Vol. 3. Cambridge: Brewer.
Hanna, Ralph. 1993. William Langland. Aldershot: Variorum.
Hanna, Ralph. 2005. London Literature, 1300-1380. Vol. 57. Cambridge: Cambridge University Press.
Hanna, Ralph. 2017. The Penn Commentary on Piers Plowman: Volume 2: C Passus 5-9, B Passus 5-7, A Passus 5-8. Philadelphia: University of Pennsylvania Press.
Hoccleve, T. 2001. ‘La Male Regle’. Pp. 64–78 in ‘My compleinte’ and other poems. Exeter, UK: University of Exeter Press.
Hoccleve, Thomas, 1370?-1450? 2001. ‘My Compleinte’ and Other Poems. annotated ed. Exeter, UK: University of Exeter Press.
Hudson, A. 1978. ‘Epistola Sathanae Ad Cleros’. Pp. 89–93 in Selections from English Wycliffite writings. Cambridge (etc.): Cambridge University Press.
Hudson, Anne. 1978. Selections from English Wycliffite Writings. Cambridge (etc.): Cambridge University Press.
Hudson, Anne. 1988. The Premature Reformation: Wycliffite Texts and Lollard History. Oxford: Clarendon Press.
Hudson, Anne. n.d. ‘Langland and Lollardy’. Yearbook of Langland Studies 17:93–105.
Hussey, S. S. 1969. Piers Plowman: Critical Approaches. London: Methuen.
Hussey, S. S. 1990. Langland, the Mystics, and the Medieval English Religious Tradition: Essays in Honour of S.S. Hussey. edited by H. Phillips. Cambridge: D.S. Brewer.
James Simpson. 1986. ‘The Transformation of Meaning: A Figure of Thought in Piers Plowman’. The Review of English Studies 37(146):161–83.
JOSEPH S. WITTIG. 1972. ‘“PIERS PLOWMAN” B, PASSUS IX - XII: ELEMENTS IN THE DESIGN OF THE INWARD JOURNEY’. Traditio 28:211–80.
Justice, Steven. 1994. Writing and Rebellion: England in 1381. Vol. 27. Berkeley, Calif: University of California Press.
Justice, Steven. n.d. ‘The Genres of “Piers Plowman”’. Viator 19:1–29.
Justice, Steven, and Kathryn Kerby-Fulton. 1997. Written Work: Langland, Labor, and Authorship. Philadelphia, Pa: University of Pennsylvania Press.
Kane, George, Edward Donald Kennedy, Ronald Waldron, and Joseph S. Wittig. 1988. Medieval English Studies Presented to George Kane. Wolfeboro, N.H.: D.S. Brewer.
Kelen, Sarah A. 2007. Langland’s Early Modern Identities. Basingstoke: Palgrave Macmillan.
King, John N. 1982. English Reformation Literature: The Tudor Origins of the Protestant  Tradition. Princeton, N.J.: Princeton University Press.
Kirk, Elizabeth D. 1972. The Dream Thought of ‘Piers Plowman’. Vol. 178. New Haven: Yale University Press.
Langland, W. 2008. ‘The Pardon Sent from Truth’, Lines 1-280’. Pp. 171–82 in Piers Plowman. University of Exeter Press.
Langland, William, Elizabeth Ann Robertson, Stephen H. A. Shepherd, and E. Talbot Donaldson. 2006. ‘Prologue (Lines 1-99)’. Pp. 2–6 in Piers Plowman: the Donaldson translation, select authoritative Middle English text, sources and backgrounds, criticism. New York: W.W. Norton.
Langland, William, and A. V. C. Schmidt. 1995a. Piers Plowman: A Parallel-Text Edition of the A, B, C and Z Versions. London: Longman.
Langland, William, and A. V. C. Schmidt. 1995b. Piers Plowman: A Parallel-Text Edition of the A, B, C and Z Versions, Vol.1: Text. Harlow: Longman.
Lawton, David. 1987. ‘The Subject of Piers Plowman’. Yearbook of Langland Studies 1:1–30.
Middleton, Anne. 1972. ‘Two Infinites: Grammatical Metaphor in Piers Plowman’. ELH 39(2). doi: 10.2307/2872241.
Middleton, Anne. 2013. Chaucer, Langland, and Fourteenth-Century Literary History. Vol. CS1022. edited by S. Justice. Farnham: Ashgate Variorum.
Nicolas Jacobs. 1985. ‘The Typology of Debate and the Interpretation of Wynnere and Wastoure’. The Review of English Studies 36(144):481–500.
R. Carter Hailey. 2001. ‘“Geuyng Light to the Reader”: Robert Crowley’s Editions of “Piers Plowman” (1550)’. The Papers of the Bibliographical Society Of 95(4):483–502.
ROBERT ADAMS. 1978. ‘THE NATURE OF NEED IN “PIERS PLOWMAN” XX’. Traditio 34:273–301.
Salter, Elizabeth. 1962. Piers Plowman: An Introduction. Oxford: Blackwell.
Scanlon, Larry, ed. 2009. The Cambridge Companion to Medieval English Literature, 1100-1500. Cambridge: Cambridge University Press.
Scase, Wendy. 2007. Piers Plowman and the New Anticlericalism. Vol. 4. Cambridge [England]: Cambridge University Press.
SIMPSON, James. 1986. ‘FROM REASON TO AFFECTIVE KNOWLEDGE: MODES OF THOUGHT AND POETIC FORM IN “PIERS PLOWMAN”’. Medium Ævum 55(1). doi: 10.2307/43628946.
Simpson, James. 1990. Piers Plowman: An Introduction to the B-Text. London: Longman.
Simpson, James. 2007. Piers Plowman: An Introduction. 2nd, rev. ed ed. Exeter: University of Exeter Press.
Spearing, A. C. 1972. Criticism and Medieval Poetry. 2nd ed. London: Edward Arnold.
Stokes, Myra. 1984. Justice and Mercy in Piers Plowman: A Reading of the B Text Visio. London: Croom Helm.
Trigg, Stephanie. 1998. ‘The Traffic in Medieval Women’. Yearbook of Langland Studies. 12:5–29.
Walsh, P. 1999. ‘Book 1’. Pp. 3–18 in The consolation of philosophy. Oxford: Clarendon Press.
Watson, Nicholas. 1997. ‘Visions of Inclusion’. Journal of Medieval and Early Modern Studies 27:145–87.
Wood, Sarah Joy. 2012. Conscience and the Composition of Piers Plowman. Oxford: Oxford University Press.