| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Workbook for Keys to Teaching Grammar to English Language Learners | 978-0-472-03338-6 (0-472-03338-7) | 2009 | Keith S. Folse |
| Workbook for Keys to Teaching Grammar to English Language Learners, Second Ed. | 978-0-472-03679-0 (0-472-03679-3) | 2017 | " |