| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Encyclopedia of Medieval Literature | 978-0-8160-5497-8 (0-8160-5497-5) | 2005 |
| "Many a Song and Many a Leccherous Lay": Tradition and Individuality in Chaucer's Lyric Poetry | 978-0-367-35741-2 (0-367-35741-0) | 2019 |
| "Many a Song and Many a Lecherous Lay": Tradition and Individuality in Chaucer's Lyric Poetry | 978-0-8153-1142-3 (0-8153-1142-7) | 1992 |