Hoijer, H. 1946. "South Greenlandic (Eskimo)." In Linguistic Structures of Native America, edited by Harry Hoijer. 6: 1-29. New York: Viking Fund.
Hoijer, Harry. 1946. "Chiricahua Apache." In Linguistic Structures of Native America, edited by Harry Hoijer. 6: 55-84. New York: Viking Fund.
Hill, Jane H. 2008. "Northern Uto-Aztecan and Kiowa-Tanoan: Evidence of Contact Between the Proto-Languages?" In International Journal of American Linguistics, 74 , no. 2: 155-188.
1998. "Hopi Dictionary: Hopìikwa Lavàytutuveni: A Hopi-English Dictionary of the Third Mesa Dialect with An English-Hopi Finder List and a Sketch of Hopi Grammar." edited by Kenneth C. Hill. Tucson: University of Arizona Press.