1. Agrawal, Arun. “Adaptive Management in Transboundary Protected Areas: The Bialowieza National Park and Biosphere Reserve as a Case Study.” Environmental Conservation, vol. 27, no. 4, 2000, pp. 326–333.
2. Ahrens, Theodor. “The Present Status of the European Bison or Wisent.” Journal of Mammalogy, vol. 2, no. 2, 1921, pp. 58–62.
3. Anderson, Virginia DeJohn. Creatures of Empire: How Domestic Animals Transformed Early America. Oxford UP, 2004.
4. The American Bison Society. Annual Report of the American Bison Society, 1905–1907. The Society, 1908.
5. Bamforth, Douglas B. “Historical Documents and Bison Ecology on the Great Plains.” The Plains Anthropologist, vol. 32, no. 115, 1987, pp. 1–16.