"Totem-pole". British Museum. Retrieved 8 November 2010.
doi.org
Joyce R.A., T.A. (1903). "A Totem Pole in the British Museum". The Journal of the Anthropological Institute of Great Britain and Ireland. 33: 90–. doi:10.2307/2842995. JSTOR2842995.
esf.edu
"Keen's myotis". State University of New York College of Environmental Science and Forestry. Retrieved 7 November 2010.
jstor.org
Hatch, Melville H. (Autumn 1957). "A Biographical Memoir of Rev. Keen". The Coleopterists Bulletin. XI: 62–64. JSTOR3999009.
Joyce R.A., T.A. (1903). "A Totem Pole in the British Museum". The Journal of the Anthropological Institute of Great Britain and Ireland. 33: 90–. doi:10.2307/2842995. JSTOR2842995.