Ellis, F., & Hungerford, A. N. (1975). History of that part of the Susquehanna and Juniata Valleys: Embraced in the Counties of Mifflin, Juniata, Perry, Union and Snyder, in the Commonwelth of Pennsylvania. Evansville, Ind.: Unigraphic, inc..

Ellis, Franklin, and Austin N. Hungerford. History of That Part of the Susquehanna and Juniata Valleys: Embraced in the Counties of Mifflin, Juniata, Perry, Union and Snyder, in the Commonwelth of Pennsylvania. Evansville, Ind.: Unigraphic, inc., 1975.

Ellis, Franklin, and Austin N. Hungerford. History of That Part of the Susquehanna and Juniata Valleys: Embraced in the Counties of Mifflin, Juniata, Perry, Union and Snyder, in the Commonwelth of Pennsylvania. Evansville, Ind.: Unigraphic, inc., 1975.