"Clandestine Marriage and Chaucer's Troilus," in Marriage in the Middle Ages, ed. John Leyerle, Viator 4 (1973) 413-501, Chapter 2, pp. 435-457.

Love and Marriage in the Age of Chaucer. Ithaca: Cornell University Press, l975.  Reprint, Eugene: Wipf and Stock, 2004.

"The Genoese St. Valentine and Chaucer's Third of May," Chaucer Newsletter l.2 (Summer l979) 6-l0.

"Chaucer's Arts and Our Arts," in New Perspectives in Chaucer Criticism, ed. Donald M. Rose (Norman, Okla. l98l), pp. l07-l20.

Chaucer and the Cult of St. Valentine. Davis Medieval Texts and Studies no. 5. Leiden: E. J. Brill, 1986.

"Chaucer and Shakespeare on Tragedy." Leeds Studies in English 20 (1989) 191-206.

Review of Joseph Allen Hornsby, Chaucer and the Law (Norman 1988), Speculum 65 (1990) 429-432.

"Shades of Incest and Cuckoldry: Pandarus and John of Gaunt," Studies in the Age of Chaucer 13 (1991) 121-140.

"Medieval Relations, Marital and Other," Medievalia et humanistica n.s. 19 (1992) 133-146 (Franklin's Tale, Prioress's Tale, etc.).

Review of Piero Boitani, ed., The European Tragedy of Troilus (1989), English Language Notes 30 (1992-93) 78-80.

"Interpretation of Genres and by Genres in Medieval Literature," in Interpretations: Medieval and Modern, ed. Piero Boitani and Anna Torti, J. A. W. Bennett Lectures, no. 7: Perugia, 6-8 April 1992 (Woodbridge, Suffolk: Boydell and Brewer, 1993, pp. 107-122.

"Sacraments, Sacramentals, and Lay Piety in Chaucer's England," Chaucer Review 28 (1993-94) 5-22.

"A Neo-Revisionist Look at Chaucer's Nuns," Chaucer Review 31 (1996-97) 116-36.

Chaucerian Tragedy. Cambridge: D. S. Brewer, 1997.  Reprint, Eugene: Wipf and Stock, 2004.

"Statutes of Rapes and Alleged Ravishers of Wives: A Context for the Charges Against Thomas Malory, Knight," Viator 28 (1997) 361-419.  Reprinted in Inquisitions and Other Trial Procedures in the Medieval West.  Aldershot: Ashgate Publishing, 2001, chapter 9.

"Meanings and Uses of Raptus in Chaucer's Time," Studies in the Age of Chaucer 20 (1998) 101-65.   Reprinted in Inquisitions (see above), chapter 10.

"Bishop, Prioress, and Bawd in the Stews of Southwark," Speculum 75 (2000) 342-88

"The Pardoner's Voice, Disjunctive Narrative, and Modes of Effemination," in Speaking Images: Essays in Honor of V. A. Kolve, ed.R. F. Yeager and Charlotte C. Morse (Asheville: Pegasus Press, 2001), pp. 411-44.

"How Cecilia Came to Be a Saint and Patron (Matron?) of Music,"  in The Echo of Music: Essays in Honor of Marie Louise Göllner, ed. Blair Sullivan .  Warren, MI: Harmonie Park Press, 2004, pp. 3-18.

 “Medieval Heroics without Heroes or Epics,” in Heroic Poets and Poetic Heroes in Celtic Traditions:  Essays in Honor of Patrick K. Ford, ed. Leslie Ellen Jones and Joseph Falaky Nagy.  Dublin:  Four Courts Press, 2005, pp. 226-38.  On Chaucer's vocabulary.

"Jews and Saracens in Chaucer's England:  A Review of the Evidence," Studies in the Age of Chaucer 27 (2005) 125-65.

"The Prioress's Tale in Context:  Good and Bad Reports of Non-Christians in Fourteenth-Century England," Studies in Medieval and Renaissance History n.s. 3 (2006).

 "Chaucer’s Knight and the Northern 'Crusades':  The Example of Henry Bolingbroke," Medieval Cultural Studies in Honor of Stephen Knight, ed. Helen Fulton, David Matthews, and Ruth Evans (Aberystwith:  University of Wales Press, 2006).

"Penitential Theology and Law at the Turn of the Fifteenth Century," A New History of Penance, ed. Abigail Firey (Leiden: Brill, 2006).

"Canon Law, Charming Magic, and Chaucer's Spells," Festschrift for Edward Peters, ed. Ruth Mazo Karras et al.

"Wives, Widows, and Property in Chaucer and His Times," in progress.
 

Chaucer Encyclopedia, ed. Daniel J. Ransom et al. (forthcoming):  ca. 200 entries on religion.