| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| World of Language - Grade 6 - Teacher's Edition | 978-0-382-25181-8 (0-382-25181-4) | 1990 | Nancy Nickell · Marian Davies Toth |
| World Of Language: Level 4 | 978-0-382-25169-6 (0-382-25169-5) | 1996 | Marian Davies Toth · Nancy Nickell Ragno |
B&G · B Gray · Betty Gray · g G · G. Gray