| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Toll-Free Phone Book USA 2004: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0657-3 (0-7808-0657-3) | 2003 | Darren L. Smith · Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Staci L. Rachman · Nancy V. Kniskern |
| Toll-Free Phone Book USA 2005: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0754-9 (0-7808-0754-5) | 2004 | Darren L. Smith · Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Staci L. Rachman · Nancy V. Kniskern |
| Toll-Free Phone Book USA 2006: A Directory of Toll-Free Numbers for Businesses and Organizations Nationwide | 978-0-7808-0807-2 (0-7808-0807-X) | 2005 | Darren L. Smith · Penny J. Hoffman · Patricia H. Cook · Lori Alvarez · Staci L. Rachman · Nancy V. Kniskern |