Jordan-Bychkov, T. G., & Kaups, M. E. (1989). The American backwoods frontier: An ethnic and ecological interpretation. Baltimore: Johns Hopkins University Press.

Jordan-Bychkov, Terry G., and Matti E. Kaups. The American Backwoods Frontier: An Ethnic and Ecological Interpretation. Baltimore: Johns Hopkins University Press, 1989.

Jordan-Bychkov, Terry G., and Matti E. Kaups. The American Backwoods Frontier: An Ethnic and Ecological Interpretation. Baltimore: Johns Hopkins University Press, 1989.