Our library is available for research during regular hours or by calling Marilyn at (717)362-8991 to make special arrangements. It includes these research books and many that are not listed.
- The Bicentennial Album: 1803-2003, a Tribute to Jacob's (Howerter's) Union Church. Ed. Don Yoder Dr. Lewisburg, PA: Staples, Inc., 2003.
- Bi-Centennial History, Lykens-Williams Valley : History and Pictorial Review, Approx. 1750-1922. Pennsylvania:, 1976.
- Elizabethville Historical Committee. History of Elizabethville, Dauphin County, Pennsylvania, 1817-1967. Elizabethville, PA:, 1967.
- Gratz Historical Society. A Comprehensive History of the Town of Gratz, Pennsylvania., 1997.
- The Gratz Sesquicentennial, July 2-3-4, 1955. an Account of the Celebration Held at Gratz, Pennsylvania, in Observance of its Founding by Simon Gratz in 1805. Sunbury: Pa., Sunbury Daily Item, 1956.
- Halifax Historical Society. Indian Arrows to Atoms : Or, the Story of Halifax and the Valleys. Halifax, Pa: Historical Book Committee, 1969.
- Historical Book of Berrysburg and Mifflin Township. Berrysburg, Mifflin Township Sesquicentennial, 1819-1969. Sunbury, Pa: Sunbury Daily Item, 1969.
- Klinger, Irwin R. Zion (Klinger's) Church History. U.S.: Closson Press, 1988.
- A Sesquicentennial History of Williamstown and Williams Township : Dauphin County, Pennsylvania. The Call, 1976.