| title | ISBN-13 | year of publication |
|---|---|---|
| Passport to French | 978-0-529-00501-4 | 1972 |
| Passport to German | 978-0-529-00503-8 | 1972 |
| Passport to Italian | 978-0-529-00504-5 | 1972 |
| Passport to Spanish | 978-0-529-00502-1 | 1972 |
C B · C.F. · C. Francois · Charles B. · Charles Bertin · Charles F. · Charles François · François B · François Bertin