| title | ISBN-13 | year of publication |
|---|---|---|
| American Speech Sounds and Rhythm Elementary | 978-1-57970-545-9 | 1959 |
| American Speech Sounds and Rhythm, Intermediate | 978-1-57970-541-1 | 1986 |
| Speechphone Advanced book | 978-1-57970-074-4 | 1995 |
| Speechphone Advanced Course audio CDs & text | 978-1-57970-426-1 | 2006 |
| Speechphone Elementary Course CDs & text | 978-1-57970-424-7 | 2006 |
| Speechphone Intermediate Course CDs & text | 978-1-57970-425-4 | 2006 |
| Speechphone Spoken Word List audio CDs & text | 978-1-57970-427-8 | 2006 |