| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Forging a Majority; the Formation of the Republican Party in Pittsburgh, 1848-1860 | 978-O-3OO-O1125-8 (O-3OO-O1125-3) | 1969 | 
Holt Michael Fitzgibbon · M. F. · M. H. · M. Holt · Michael F. · Michael F. Holt · Michael H. · Michael Holt