| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Portes ouvertes | 978-0-03-024176-5 (0-03-024176-6) | 1997 | Margaret Haggstrom · Judith Frommer · Christopher M. Jones · Marie-France Bunting |
| Portes Ouvertes: An Interactive Multimedia Approach to First Year French | 978-0-03-008627-4 (0-03-008627-2) | 1998 | Margaret Haggstrom · Judith Frommer · Christopher M. Jones · Marie-France Bunting |
| Portes Ouvertes: An Interactive Multimedia Approach to First Year French | 978-0-03-017458-2 (0-03-017458-9) | 1998 | Margaret Haggstrom · Judith Frommer · Christopher M. Jones · Marie-France Bunting |