Krauss, Michael E. (2006). "A history of Eyak language documentation and study: Fredericæ de Laguna in memoriam". Arctic Anthropology. 43 (2): 172–218. doi:10.1353/arc.2011.0095. S2CID161233034.
Krauss, Michael E. (2006). "A history of Eyak language documentation and study: Fredericæ de Laguna in memoriam". Arctic Anthropology. 43 (2): 172–218. doi:10.1353/arc.2011.0095. S2CID161233034.