Simons, D. B., & Scheib, J. L. (1997). The Langhornes of Langhorne Park: Descendants of Thomas Langhorne (1633?-1687) of co. Westmoreland, England, and Bucks County, Pennsylvania, father of Sarah Langhorne, wife of William Biles, Jr., and of Jeremiah Langhorne, Chief Justice of Pennsylvania. Boston: Newbury Street Press.

Simons, D. Brenton., and Jeffrey L. Scheib. The Langhornes of Langhorne Park: Descendants of Thomas Langhorne (1633?-1687) of Co. Westmoreland, England, and Bucks County, Pennsylvania, Father of Sarah Langhorne, Wife of William Biles, Jr., and of Jeremiah Langhorne, Chief Justice of Pennsylvania. Boston: Newbury Street Press, 1997.

Simons, D. Brenton., and Jeffrey L. Scheib. The Langhornes of Langhorne Park: Descendants of Thomas Langhorne (1633?-1687) of Co. Westmoreland, England, and Bucks County, Pennsylvania, Father of Sarah Langhorne, Wife of William Biles, Jr., and of Jeremiah Langhorne, Chief Justice of Pennsylvania. Boston: Newbury Street Press, 1997.