Groninger, T. R. (1994). 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. Lewisburg, PA: T.R. Groninger.
Chicago Style CitationGroninger, Thomas R. 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. Lewisburg, PA: T.R. Groninger, 1994.
MLA CitationGroninger, Thomas R. 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. Lewisburg, PA: T.R. Groninger, 1994.