... 1879, his services were at once enlisted, and the remainder of his life was devoted to the collection and publication of ethnologic material, chiefly linguistic. Although most of his energies were devoted to the Siouan stock, he studied also the Athapascan, Kusan, Takilman, and Yakonan stocks; and while his researches were primarily linguistic, his collections relating to other subjects, especially institutions and beliefs, were remarkably rich. His publications were ... — Siouan Sociology • James Owen Dorsey
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