Review of Joan M. Ferrante, Woman as Image in Medieval Literature From the Twelfth Century to Dante (New York 1975), Speculum 52 (l977) 715-721.
"Dating the Accessus Section of the Pseudo-Dantean Epistle to Cangrande." Lectura Dantis no. 2 (Spring 1988) 93-102.
Tragedy and Comedy from Dante to Pseudo-Dante. Berkeley: UC Press, 1989. Reprint: Eugene: Wipf and Stock, 2004.
Ideas and Forms of Tragedy from Aristotle to the Middle Ages. Cambridge: Cambridge University Press, 1993. Paperback reprint, 2005.
"Interpretation of Genres and by Genres in Medieval Literature," in Interpretations: Medieval and Modern, ed. Piero Boitani and Anna Torti. Woodbridge, Suffolk: Boydell and Brewer, 1993, pp. 107-122.
"Cangrande and the Ortho-Dantists," Lectura Dantis nos. 14-15 (1994) 61-95.
"Reply to Robert Hollander," Lectura Dantis no. 14-15 (1994) 111-115.
Chaucerian Tragedy. Cambridge: D. S. Brewer, 1997.
Paperback reprint, 2000.