| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Answer Key for Workbook in Everyday Spanish: A Comprehensive Grammar Review | 978-0-13-140986-6 | 2003 | |
| Graded Exercises in Spanish | 978-0-13-361973-7 | 1987 | Robert J. Dixson |
| Student Access Code to Online Workbook, Workbook in Everyday Spanish | 978-0-13-132194-6 | 2005 | |
| Workbook in Everyday Spanish: A Comprehensive Grammar Review | 978-0-13-182514-7 | 2003 | Robert J. Dixson |
| Workbook in Everyday Spanish: Book 1 Level 2-3 | 978-0-13-051294-9 | 1996 | " |
| Workbook in Everyday Spanish Book I, Elementary/Intermediate | 978-0-13-432774-7 | 1996 | " |
| Workbook in Everyday Spanish, Book II, Intermediate/Advanced | 978-0-13-432791-4 | 1996 | " |