Adams, Robert. 2013. Langland and the Rokele Family: The Gentry Background to Piers Plowman. Four Courts Press.
Aers, David. 1975. Piers Plowman and Christian Allegory. Edward Arnold.
Aers, David. 1980. Chaucer, Langland, and the Creative Imagination. Routledge & Kegan Paul. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb3454431.
Aers, David. 1988. Community, Gender, and Individual Identity: English Writing, 1360-1430. Routledge.
Alford, John A. 1988. A Companion to Piers Plowman. University of California Press. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb3454433.
Archiv Für Das Studium Der Neueren Sprachen Und Literaturen. 1961. (Braunschweig).
Baker, D. 2005. ‘Showings : Authoritative Text, Contexts, Criticism’. In Showings. W.W. Norton. https://contentstore.cla.co.uk/secure/link?id=e833473a-4580-e811-80cd-005056af4099.
Baker, Denise Nowakowski and Julian. 2005. Showings. W.W. Norton.
Baldwin, Anna P. 1981. The Theme of Government in Piers Plowman. Vol. 1. Brewer.
Barney, Stephen A. 2006. The Penn Commentary on Piers Plowman: Volume 5: C Passūs 20-22 ; B Passūs 18-20. University of Pennsylvania Press. Electronic resource. http://ebookcentral.proquest.com/lib/warw/detail.action?docID=3441528.
Barr, Helen. 1994. Signes and Sothe: Language in the Piers Plowman Tradition. Vol. 10. 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. Medieval Institute Publications, Western Michigan University.
Burrow, J. A. 1971. Ricardian Poetry: Chaucer, Gower, Langland and the ‘Gawain’ Poet. Routledge & Kegan Paul.
Calabrese, Michael A., Tison Pugh, and R. Barton Palmer. 2016. An Introduction to Piers Plowman. University Press of Florida.
Cole, Andrew, and Andrew Galloway, eds. 2014. The Cambridge Companion to Piers Plowman. Cambridge University Press. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb2724685.
Dobson, R. 1983. ‘The Rebels in London According to Henry Knighton’. In The Peasants’ Revolt of 1381, 2nd ed. Macmillan. https://contentstore.cla.co.uk/secure/link?id=a0362cf0-ad68-e811-80cd-005056af4099.
Donaldson, E. Talbot. 1966. Piers Plowman: The C-Text and Its Poet. V. 113. 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. University of Pennsylvania Press. Electronic resource. http://ebookcentral.proquest.com/lib/warw/detail.action?docID=3441449.
Galloway, Andrew, Ralph Hanna, and Stephen A. Barney. n.d. The Penn Commentary on Piers Plowman. University of Pennsylvania Press.
Griffiths, Lavinia. 1985. Personification in Piers Plowman. Vol. 3. Brewer.
Hanna, Ralph. 1993. William Langland. Variorum.
Hanna, Ralph. 2005. London Literature, 1300-1380. Vol. 57. Cambridge University Press. http://0-dx.doi.org.pugwash.lib.warwick.ac.uk/10.1017/CBO9780511483318.
Hanna, Ralph. 2017. The Penn Commentary on Piers Plowman: Volume 2: C Passus 5-9, B Passus 5-7, A Passus 5-8. University of Pennsylvania Press.
Hoccleve, T. 2001. ‘La Male Regle’. In ‘My Compleinte’ and Other Poems, annotated ed. University of Exeter Press. https://contentstore.cla.co.uk/secure/link?id=c8e5f86b-e76e-e811-80cd-005056af4099.
Hoccleve, Thomas, 1370?-1450? 2001. ‘My Compleinte’ and Other Poems. Annotated ed. University of Exeter Press.
Hudson, A. 1978. ‘Epistola Sathanae Ad Cleros’. In Selections from English Wycliffite Writings. Cambridge University Press. https://contentstore.cla.co.uk/secure/link?id=fc44ad8b-ef64-e811-80cd-005056af4099.
Hudson, Anne. 1978. Selections from English Wycliffite Writings. Cambridge University Press.
Hudson, Anne. 1988. The Premature Reformation: Wycliffite Texts and Lollard History. Clarendon Press.
Hudson, Anne. n.d. ‘Langland and Lollardy’. Yearbook of Langland Studies (East Lansing) 17: 93–105. https://contentstore.cla.co.uk/secure/link?id=a18015ca-60af-e811-80cd-005056af4099.
Hussey, S. S. 1969. Piers Plowman: Critical Approaches. Methuen.
Hussey, S. S. 1990. Langland, the Mystics, and the Medieval English Religious Tradition: Essays in Honour of S.S. Hussey. Edited by Helen Phillips. D.S. Brewer.
‘International Piers Plowman Society’. n.d. http://www.piersplowman.org/index.asp.
James Simpson. 1986. ‘The Transformation of Meaning: A Figure of Thought in Piers Plowman’. The Review of English Studies 37 (146): 161–83. http://0-www.jstor.org.pugwash.lib.warwick.ac.uk/stable/516968.
JOSEPH S. WITTIG. 1972. ‘“PIERS PLOWMAN” B, PASSUS IX - XII: ELEMENTS IN THE DESIGN OF THE INWARD JOURNEY’. Traditio 28: 211–80. http://0-www.jstor.org.pugwash.lib.warwick.ac.uk/stable/27830943.
Justice, Steven. 1994. Writing and Rebellion: England in 1381. Vol. 27. University of California Press. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb2667803__SWriting%20and%20Rebellion%3A%20England%20in%201381%20__P0%2C1__Orightresult__U__X4?lang=eng&suite=cobalt.
Justice, Steven. n.d. ‘The Genres of “Piers Plowman”’. Viator 19: 1–29. https://0-www-brepolsonline-net.pugwash.lib.warwick.ac.uk/doi/abs/10.1484/J.VIATOR.2.301374.
Justice, Steven, and Kathryn Kerby-Fulton. 1997. Written Work: Langland, Labor, and Authorship. University of Pennsylvania Press.
Kane, George, Edward Donald Kennedy, Ronald Waldron, and Joseph S. Wittig. 1988. Medieval English Studies Presented to George Kane. D.S. Brewer.
Kelen, Sarah A. 2007. Langland’s Early Modern Identities. Palgrave Macmillan. Electronic resource. https://0-link-springer-com.pugwash.lib.warwick.ac.uk/10.1057/9780230608764.
King, John N. 1982. English Reformation Literature: The Tudor Origins of the Protestant  Tradition. Princeton University Press.
Kirk, Elizabeth D. 1972. The Dream Thought of ‘Piers Plowman’. Vol. 178. Yale University Press.
Langland, W. 2008. ‘The Pardon Sent from Truth’, Lines 1-280’. In Piers Plowman. University of Exeter Press. https://contentstore.cla.co.uk/secure/link?id=dc89830e-a669-e811-80cd-005056af4099.
Langland, William, Elizabeth Ann Robertson, Stephen H. A. Shepherd, and E. Talbot Donaldson. 2006. ‘Prologue (Lines 1-99)’. In Piers Plowman: The Donaldson Translation, Select Authoritative Middle English Text, Sources and Backgrounds, Criticism, 1st ed. 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. 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. Longman.
Lawton, David. 1987. ‘The Subject of Piers Plowman’. Yearbook of Langland Studies 1: 1–30. http://encore.lib.warwick.ac.uk/iii/encore/record/C__Rb1602239.
‘Medieval English Political Writings | Robbins Library Digital Projects’. n.d. http://d.lib.rochester.edu/teams/publication/dean-medieval-english-political-writings.
Middleton, Anne. 1972. ‘Two Infinites: Grammatical Metaphor in Piers Plowman’. ELH 39 (2). https://doi.org/10.2307/2872241.
Middleton, Anne. 2013. Chaucer, Langland, and Fourteenth-Century Literary History. Edited by Steven Justice. Vol. CS1022. 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. http://0-www.jstor.org.pugwash.lib.warwick.ac.uk/stable/516846.
‘Piers Plowman Electronic Archive’. n.d. http://piers.chass.ncsu.edu/.
‘Preste, Ne Monke, Ne Yit Chanoun | Robbins Library Digital Projects’. n.d. http://d.lib.rochester.edu/teams/text/dean-medieval-english-political-writings-preste-ne-monke-ne-yit-chanoun.
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. http://0-search.ebscohost.com.pugwash.lib.warwick.ac.uk/login.aspx?direct=true&db=edsjsr&AN=edsjsr.24304607&site=eds-live&group=trial.
‘Richard the Redeless and Mum and the Sothsegger | Robbins Library Digital Projects’. n.d. http://d.lib.rochester.edu/teams/publication/dean-richard-the-redeless-and-mum-and-the-sothsegger.
ROBERT ADAMS. 1978. ‘THE NATURE OF NEED IN “PIERS PLOWMAN” XX’. Traditio 34: 273–301. http://0-www.jstor.org.pugwash.lib.warwick.ac.uk/stable/27831046?seq=1#page_scan_tab_contents.
‘Robert Crowley’s “Piers Plowman” by THORNE, J. R.. UHART, MARIE-CLAIRE’. n.d. https://0-data-journalarchives-jisc-ac-uk.pugwash.lib.warwick.ac.uk/view?pubId=proquestpdf00200020-1986-055-00-000017pdf&tab=title&jid=393239333234383430%2331323837303431383839.
Salter, Elizabeth. 1962. Piers Plowman: An Introduction. Blackwell.
Scanlon, Larry, ed. 2009. The Cambridge Companion to Medieval English Literature, 1100-1500. Cambridge University Press. https://go.exlibris.link/32j5GgDJ.
Scase, Wendy. 2007. Piers Plowman and the New Anticlericalism. Vol. 4. Cambridge University Press.
SIMPSON, James. 1986. ‘FROM REASON TO AFFECTIVE KNOWLEDGE: MODES OF THOUGHT AND POETIC FORM IN “PIERS PLOWMAN”’. Medium Ævum 55 (1). https://doi.org/10.2307/43628946.
Simpson, James. 1990. Piers Plowman: An Introduction to the B-Text. Longman.
Simpson, James. 2007. Piers Plowman: An Introduction. 2nd, rev. ed edn. University of Exeter Press.
Spearing, A. C. 1972. Criticism and Medieval Poetry. 2nd ed. Edward Arnold.
Stokes, Myra. 1984. Justice and Mercy in Piers Plowman: A Reading of the B Text Visio. Croom Helm.
The Yearbook of Langland Studies. n.d. https://0-www-brepolsonline-net.pugwash.lib.warwick.ac.uk/loi/yls.
Trigg, Stephanie. 1998. ‘The Traffic in Medieval Women’. Yearbook of Langland Studies. 12: 5–29. https://contentstore.cla.co.uk/secure/link?id=50606faa-ecb4-e811-80cd-005056af4099.
Walsh, P. 1999. ‘Book 1’. In The Consolation of Philosophy. Clarendon Press. https://contentstore.cla.co.uk/secure/link?id=63cfa906-b568-e811-80cd-005056af4099.
Watson, Nicholas. 1997. ‘Visions of Inclusion’. Journal of Medieval and Early Modern Studies (Durham, NC) 27: 145–87. https://contentstore.cla.co.uk/secure/link?id=59458ef4-3aa1-e811-80cd-005056af4099.
Wood, Sarah Joy. 2012. Conscience and the Composition of Piers Plowman. Oxford University Press. Electronic resource. http://0-doi.org.pugwash.lib.warwick.ac.uk/10.1093/acprof:oso/9780199653768.001.0001.