Crown Publishers · Three Rivers Press
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Living German: The Complete Living Lanuage Course | 978-0-517-55780-8 | 1988 | |
| Ultimate German: Basic-Intermediate | 978-0-609-60733-6 | 2000 | Heidi Singer |
| Ultimate German: Basic-Intermediate Cassette Program | 978-0-609-60760-2 | 2000 | " |
| Ultimate German: Basic-Intermediate Coursebook | 978-0-609-80680-7 | 2000 | " |