"Williamsport". CWSAC Battlefield Summaries. National Park Service, U.S. Department of the Interior. Archived from the original on 6 February 2017. Retrieved 21 July 2016.
"Williamsport". CWSAC Battlefield Summaries. National Park Service, U.S. Department of the Interior. Archived from the original on 6 February 2017. Retrieved 21 July 2016.