Whereat, Patty (June 2001). "Hanis Tlii'iis: Hanis Coos Language: A Word List"(PDF). Retrieved 2014-04-05. Fragments of the language can be scarcely found in Martha's husbands side of the family where she passed some pieces down to her grandchildren. The family name of her husbands side was the common last name of Bennett, also residents of Oregon.
Atlas of Languages of Intercultural Communication in the Pacific, Asia, and the Americas : Vol I: Maps. Vol II: Texts. Mühlhäusler, Peter, Tryon, Darrell T., Wurm, Stephen A. (Originally published 1996 ed.). Berlin ;New York: De Gruyter. 1996. ISBN9783110134179. OCLC838711368.{{cite book}}: CS1 maint: others (link)