官方藏书 / Language_and_Communication / Indian Linguistic Families of America, North of Mexico / Seventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1885-1886, Government Printing Office, Washington, 1891, pages 1-142
Indian Linguistic Families of America, North of Mexico / Seventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1885-1886, Government Printing Office, Washington, 1891, pages 1-142