The ""Seventh Annual Report of the Bureau of Ethnology"" is a book written by J. W. Powell and published in 1891. The book is a report to the Secretary of the Smithsonian Institution and covers the period of 1885-1886. The main focus of the book is on the Indian linguistic families of America, north of Mexico. The author provides a comprehensive overview of the linguistic families of the indigenous peoples of North America, including the Algonquian,...