| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-934603-04-1 | High Technology Market Place Directory 1991 | |
| 1998 | 978-0-934603-07-2 | Susan Jacob | High Technology Marketplace Directory 1998 |
| 2001 | 978-0-934603-11-9 | Susan Jacob | High Technology Marketplace Directory 2000 |
| 2009 | 978-0-934603-16-4 | '' | High Technology Marketplace Directory |
| 1995 | 978-0-934603-65-2 | '' | High Technology Market Place Directory |