These language texts, produced in the late nineteenth, and twentieth centuries, include dictionaries, grammars, vocabularies, and religious materials (primarily Christian) of the Assiniboin (Dakota), Blackfeet-Piegan, Chelan (Columbian), Coeur d'Alene, Columbia, Colville (Okanagan), Crow, Gros Ventre (Arapaho), Kalispel, Kutenai, Nez Percé, and Yakima (Sahaptin) languages.