The descendants of Jacob Pensyl (Bentzel) of Northumberland County, Pennsylvania

Author: Pensyl, Jack L., b. 1931.
Published 1993

History of the Groninger, family of Juniata, Northumberland, and Union counties, Pennsylvania, and a biography of Charles Robert Groninger and Charles H. & Eva S. Groninger

Author: Groninger, Thomas R.
Published 1994