| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Number & Letter Games | 978-0-931993-72-5 (0-931993-72-5) | 1995 | S. Harold Collins · Kathy Kifer |
| Signing at School | 978-0-931993-47-3 (0-931993-47-4) | 1992 | S. Harold Collins · Kathy Kifer |
| Songs in Sign | 978-0-931993-71-8 (0-931993-71-7) | 1995 | S. Harold Collins · Kathy Kifer |