| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Headquarters USA 2016 | 978-0-7808-1432-5 | 2015 | Rich's Business Directories |
| Independent Apparel Rep and Multi Line Showroom Guide | 978-0-7808-1438-7 | 2015 | " |
| Moving and Relocation Directory | 978-0-7808-1426-4 | 2015 | " |
| Northern California High Technology Directory, 30th Ed. | 978-0-7808-1670-1 | 2018 | " |
| Northern California High Technology Directory | 978-0-7808-1430-1 | 2015 | " |
| Pacific Northwest High Tech Directory 2015: Alberta, British Columbia, Idaho, Oregon, Washington | 978-0-7808-1373-1 | 2015 | " |
| Pacific Northwest High Technology Directory 2019 | 978-0-7808-1668-8 | 2018 | " |
| Parks Directory of the United States | 978-0-7808-1424-0 | 2015 | " |
| Rocky Mountain High Technology Directory 2015 | 978-0-7808-1372-4 | 2014 | " |
| Rocky Mountain High Technology Directory 2019 | 978-0-7808-1669-5 | 2018 | " |