R. L ยท Roy Lobove
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Twentieth Century Pittsburgh Volume 1: Government, Business, and Environmental Change | 978-0-8229-5551-1 (0-8229-5551-2) | 1996 |
| Twentieth-Century Pittsburgh, Volume Two: The Post-Steel Era | 978-0-8229-5566-5 (0-8229-5566-0) | 1996 |