| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9746323-0-8 | Dalton Philadelphia Metro Business Directory 2005: Business/Industry Includes Philadelphia/Suburbs, South Jersey/Delaware | |
| '' | 978-0-9746323-1-5 | Dalton Philadelphia Metro Business Directory 2005: Business/Industry Includes Philadelphia/Suburbs, South Jersey/Delaware | |
| 2007 | 978-0-9746323-2-2 | Dalton Philadelphia Metro Business Directory 2007: Business/Industry Includes Philadelphia/Suburbs, South Jersey/Delaware | |