| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-0-9650280-0-4 | Jeffrey P Levine | Pittsburgh business directory |
| 1997 | 978-0-9650280-1-1 | Jeffrey P. Levine | Pittsburgh Business Directory (2nd Edition) |
| 2000 | 978-0-9650280-2-8 | '' | Pittsburgh Business Directory (3rd edition) |