| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Signing Naturally, Level 2 | 978-0-915035-16-8 | 1992 | Cheri Smith · Ella Mae Lentz |
| Signing Naturally Level 2 | 978-1-58121-131-3 | 1992 | |
| Signing Naturally: Level 3 | 978-1-58121-135-1 | 2003 | Cheri Smith · Ella Mae Lentz |
| Signing Naturally Student Workbook: DVD Edition | 978-1-58121-215-0 | 2008 | Cheri Smith · Ella Mae Lentz |
| Signing Naturally: Student Workbook, Level 1 | 978-1-58121-127-6 | 1988 | Cheri Smith · Ella Mae Lentz |
| Signing Naturally Student Workbook: Level 1, Expanded Edition | 978-0-915035-20-5 | 1993 | Cheri Smith · Ella M. Lentz |
| Signing Naturally: Student Workbook, Level 3 | 978-1-58121-036-1 | 2001 | Cheri Smith · Ella Mae Lentz |
| Signing Naturally: Teacher's Curriculum Guide, Level 2 | 978-0-915035-08-3 | 1988 | Cheri Smith · Ella M. Lentz |
| Signing Naturally: Vocabulary Review, Level 2 | 978-0-915035-19-9 | 2000 | Cheri Smith · Ella Mae Lentz |
K&M · Ken Masugi · Ken Mikos Cheri Smith Ella Mae Lentz · Kenny Mccaughey · Kim Moses · Kuon Michiyoshi