| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Dante's Griffin and the History of the World: A Study of the Earthly Paradise | Hardcover | 978-0-19-815816-5 | 1989 |
| Stop That Pickle! | Paperback | 978-0-618-54889-7 | 2005 |
| Stop That Pickle! | Hardcover | 978-0-395-66375-2 | 1993 |
| The Door of Purgatory: Study of Multiple Symbolism in Dante's "Purgatorio" | " | 978-0-19-815787-8 | 1984 |
HOUGHTON MIFFLIN · Houghton Mifflin · Oxford University Press