| Vignette of a Civil War recruit from Union City, PA |
| History, biography and reminiscences pertaining to Prospect, Butler County, Pennsylvania, by Andrew White McCulloch and David Luther Roth - 1912 |
| Points along the "navigable" portion of the Allegheny River between Warren and Pittsburgh |
| Compiled by Genevieve Bartholomew, Philip Bartholomew and others incl. Vonda Minner, Mercer County Bicentennial Commission. |
| Wyandot and Delaware Indian town---about 1750-1785---located in what is now West Middlesex (PA) |
| Pymatuning Town was a village occupied by the Delaware tribe in western Pennsylvania, between the French and Indian War and the Revolution... the town has been located on the north bank of the Shenango River, about 3¾ miles east of Clark and 1¾ miles west of Big Bend |
| A 1926 listing of Historic Sites in the Commonwealth of Pennsylvania |