The Groff Book, Volume 2: A Continuing Saga
This second volume connects the first five generations of Pennsylvania Groff families found in "The Groff Book, Vol. 1" to the generations of these families who lived in Europe before coming to America. The first three generations are repeated in volume two, along with corrections to the fourth and fifth generations. Hardcover. Groff History Assoc., 1997. 278 pages plus corrections.