Hungerford, A. N., & Ellis, F. (1996). History of that part of the Susquehanna and Juniata Valleys embraced in the counties of Mifflin, Juniata, Perry, Union, and Snyder [microform]: In the commonwealth of Pennsylvania. Bowie, Md.: Heritage Books.

Hungerford, Austin N., and Franklin Ellis. History of That Part of the Susquehanna and Juniata Valleys Embraced in the Counties of Mifflin, Juniata, Perry, Union, and Snyder [microform]: In the Commonwealth of Pennsylvania. Bowie, Md.: Heritage Books, 1996.

Hungerford, Austin N., and Franklin Ellis. History of That Part of the Susquehanna and Juniata Valleys Embraced in the Counties of Mifflin, Juniata, Perry, Union, and Snyder [microform]: In the Commonwealth of Pennsylvania. Bowie, Md.: Heritage Books, 1996.