J.S. · O's · Otto S. · Otto Santos
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Keychamp Macintosh Network Site License | 978-0-538-66064-8 (0-538-66064-3) | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| Keychamp: Windows Network Site License | 978-0-538-66063-1 (0-538-66063-5) | 1998 | Walter M. Sharp · Anthony A. Olinzock |
| Keychamp Windows Site License | 978-0-538-43388-4 (0-538-43388-4) | 2003 | Walter M. Sharp · Anthony A. Olinzock |