I am building a bibliography of the sources used on this site. Many of these works are available online, sometimes free of charge. Entries with a picture of the cover may be available through Amazon by clicking on the cover image, in which case, your qualifying purchase may earn this site a commission at no extra cost to you.
- Harper, Douglas R. If Thee Must Fight. West Chester, PA: Chester County Historical Society, 1990.
- Prowell, G. R. History of York County, Pennsylvania. J. H. Beers: 1907.