| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Easywriter I System/Book and 128K Diskette/Self-Teach Edition | 978-0-13-452871-7 (0-13-452871-9) | 1984 | Sorcim |
| Supercalc 3/Book and 128K Diskette/Self-Teach Edition | 978-0-13-452970-7 (0-13-452970-7) | 1984 | " |