D.F. · Dirk Fisseler · Doris Fässler
| title | ISBN-13 (ISBN-10) | year of publication | |
|---|---|---|---|
| Eduard Gubler | 978-3-905198-11-9 (3-905198-11-8) | 1993 | |
| Encounter With a New World: A Reading and Writing Text for Speakers of English As a Second Language | 978-0-13-274910-7 (0-13-274910-6) | 1979 |