Davis. Bozeman, MT: Montana Archaeological Society. Silver, S. & W.R. Miller. 1997. American Indian Languages: Cultural and Social Contexts. Tucson: The University of Arizona Press. External links Estes, J. How many indigenous American Languages Are Spoken in the United States? By how many speakers? National Clearinghouse for Bilingual Education. Crow Language on the Native Languages of the Americas site Official site of the Crow Nation Crow Language at Omniglot Crow Indian Language (Apsaaloke, Apsaroke, Absarokee) OLAC resources in and about the Crow language Crow tribe Endangered languages of the United States Indigenous languages of the North American Plains Native American language revitalization Western Siouan languages Indigenous languages of Montana Endangered indigenous languages of the Americas