| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Data and File Management for the Ti-99/4A | 978-0-697-09921-1 (0-697-09921-0) | 1984 | J. D. Grillo · Henry Zbyszynski |
| IBM Executive Library | 978-0-697-09907-5 (0-697-09907-5) | 1983 | J. D. Grillo |
| Introduction to Graphics for the Ti-99/4A | 978-0-697-09933-4 (0-697-09933-4) | 1984 | John P. Grillo · Terry Zbyszynski |
J. P. · J R · J. Robertson · John P. · John Parish Robertson · John R. · John Robertson · P R · P. Robertson