A complete list of publications to 1994 can be found in: Literature and Religion in the Later Middle Ages: Philological Studies in Honor of Siegfried Wenzel, eds. Richard G. Newhauser and John A. Alford (Binghamton, NY: Medieval and Renaissance Texts and Studies, 1995).
The Sin of Sloth: Acedia in Medieval Thought and Literature. Chapel Hill: The University of North Carolina Press, 1967. Pp. xi + 269. A study of the concept of "acedia" in the Middle Ages, from its first appearance as a sin among the Egyptian Desert Fathers to the fifteenth century.
Verses in Sermons. "Fasciculus Morum" and Its Middle English Poems. The Mediaeval Academy of America Publications No. 87. Cambridge, Massachusetts: The Mediaeval Academy of America, 1978. Pp. x + 234. Study and critical edition of short Middle English verses that appear in a Latin preacher's handbook of the early fourteenth century.
Summa virtutum de remediis anime, edited by Siegfried Wenzel. The Chaucer Library. Athens, Georgia: The University of Athens Press, 1984. Pp.ix+373. Edition and translation of a treatise on the remedial virtues, drawn upon by Chaucer for his Parson's Tale.
Preachers, Poets, and the Early English Lyric. Princeton: Princeton University Press, 1986. Pp. xii + 272. An investigation of the relation between preaching and the early English lyric, both religious and secular; with chapters devoted to the Latin hymn tradition, the form of the scholastic sermon, a preacher's notebook made by John of Grimestone, complaint verses and secular love lyrics quoted in sermons, and the difference between preachers' verses and "genuine" lyric poems.
Fasciculus Morum, a Fourteenth-Century Preacher's Handbook. Edition and Translation by Siegfried Wenzel. University Park and London: The Pennsylvania State University Press, 1989. Pp. 756. Complete critical edition and translation of an early fourteenth- century text that presents material for preachers and was very popular in England.
Macaronic Sermons: Bilingualism and Preaching in Late Medieval England. Ann Arbor, MI: University of Michigan Press, 1994. Pp. xiii + 361. A critical study of linguistically mixed prose texts from the late fourteenth and early fifteenth century, with detailed analysis of major manuscripts and a linguistic analysis of their peculiar language mixture.
Ed. with Stephen G. Nichols, The Whole Book: Cultural Perspectives on the Medieval Miscellany. Ann Arbor, MI: University of Michigan Press, 1996. A collection of essays on medieval miscellanies.
Latin Sermon Collections from Later Medieval England: Orthodox Preaching in the Age of Wyclif. Cambridge: Cambridge University Press, 2005. Pp. xxiv + 713. Contains also inventories of sermon collections made in England c. 1350 - c. 1450.
Preaching in the Age of Chaucer: Selected Sermons in Translation. Washington, DC: The Catholic University of America Press, 2008.
Elucidations: Medieval Poetry and Its Religious Backgrounds. Synthema 6. Louvain: Peeters, 2010. 27 reprinted essays and one unpublished paper.
The Art of Preaching: Five Medieval Texts and Translations. Washington, D.C.: The Catholic University of America Press, 2013. Pp.xvii + 267.
Medieval Artes Praedicandi: A Synthesis of Scholastic Sermon Structure. Medieval Academy Books 114. Toronto: University of Toronto Press, 2015. Pp. xviii + 133.
Of Sins and Sermons. Synthema 10. Leuven/Paris/Bristol, CT: Peeters, 2015. Pp. xviii + 430. Reprints of scholarly papers, updated and revised.
The Sermons of William Peraldus: An Appraisal.. Sermo 13. Turnhout, Belgium: Brepols, 2017. Pp. Xii + 217.
"Medieval Sermons," in A Companion to "Piers Plowman, ed. John A. Alford (Berkeley: University of California Press, 1988), pp. 155-172.
"Somer Game and Sermon References to a Corpus Christi Play," MP, 86 (1989), 274-283.
"Chaucer's Pardoner and His Relics," Studies in the Age of Chaucer, 11 (1989), 37-41.
"Reflections on (New) Philology," Speculum 65 (1990), 11-18.
"The Middle English Lexicon: Help from the Pulpit," in Words, Texts, and Manuscripts: Studies in Anglo-Saxon Culture Presented to Helmut Gneuss on the Occasion of his Sixty-Fifth Birthday, ed. Michael Korhammer, Karl Reichl, and Hans Sauer (Woodbridge, Suffolk: Derek Brewer, 1992), pp. 467-76.
"The Continuing Life of William Peraldus's Summa vitiorum," in Ad litteram. Authoritative Texts and Their Medieval Readers, ed. Mark D. Jordan and Kent Emery, Jr. (Notre Dame and London, 1992), pp. 135-63.
"Academic Sermons at Oxford in the Early Fifteenth Century," Speculum 70 (1995), 305-29.
"A Sermon in Praise of Philosophy," Traditio 50 (1995), 249-59.
"Sermon Collections and Their Taxonomy," in The Whole Book: Cultural Perspectives on the Medieval Miscellany, ed. Stephen G. Nichols and Siegfried Wenzel (Ann Arbor, 1996), pp. 7-21.
"A Sermon Repertory from Cambridge University," History of Universities 14 (1994-5): 43-67.
"Why the Monk," in Peter S.Baker and Nicholas Howe, eds., Words and Works: Studies in Medieval English Language and Literature in Honour of Fred C. Robinson (Toronto, 1998), pp. 261-9.
"A New Version of Wyclif's Sermones Quadraginta," Journal of Theological Studies 49 (1998): 155-61.
"A Dominican Preacher's Book from Oxford," Archivum Fratrum Praedicatorum 68 (1998): 177-203.
"Robert Lychlade's Oxford Sermon of 1395," Traditio 53 (1998): 203-30.
"The Dominican Presence in Middle English Literature," in Kent Emery, Jr., and Joseph Wawrykow, eds., Christ Among the Medieval Dominicans: Representations of Christ in the Texts and Images of the Order of Preachers. Notre Dame Conferences in Medieval Studies 7 (Notre Dame, IN, 1998), pp. 315-31.
"Preaching the Saints in Chaucers England," in Susan J. Ridyard, ed., Earthly Love, Spiritual Love, Love of the Saints, Sewanee Medieval Studies 8 (Sewanee, 1999), 45-68.
"Saints and the Language of Praise," in Susan J. Ridyard, ed., Earthly Love, Spiritual Love, Love of the Saints, Sewanee Medieval Studies 8 (Sewanee, 1999), 69-87.
"The Parson's Tale in Current Literary Studies," in David Raybin and Linda Tarte Holley, eds., Closure in "The Canterbury Tales": The Role of the Parson's Tale, Medieval Institute Publications, Studies in Medieval Culture XLI (Kalamazoo, Michigan, 2000), pp. 1-10.
"Eli and His Sons," YLS 13 (1999), 137-52.
"The Arts of Preaching," in Alastair Minnis and Ian Johnson, eds., The Middle Ages, vol. 2 of The Cambridge History of Literary Critism (Cambridge: Cambridge University Press, 2005), pp. 84-96.
"Preaching the Seven Deadly Sins," in In the Garden of Evil: The Vices and Culture in the Middle Ages, ed. Richard Newhauser (Toronto: PIMS, 2005), pp. 145-169.
"French Proverbs from the Mouths of English Preachers?" in "Contez me tout." Mélanges de langue et de littérature médiévales offerts à Herman Braet, ed. Catherine Bel, Pascale Dumont, and Frank Willaert. La République des Lettres 28 (Louvain/Paris/Dudley, MA: Éditions Peeters, 2006), pp. 543-555.
"Two Sermons for St. Dominic," Bulletin de Philosophie Médiévale 48 (2006), 83-100.
"Fishacre's Sermon Oeuvre," Archivum Fratrum Praedicatorum 76 (2006), 5-29.
“Bromyard’s Other Handbook: Canon and Civil Law for Preachers,” Studies in Medieval and Renaissance History, Third Series, 6 (2009): 93-123.
“A Dominican (?) Ars Praedicandi in Sermon Form,†Archivum Fratrum Praedicatorum 78 (2008), 51-78.