Pawnee
Pawnee Wikipedia
Pawnee native-languages.org
A Grammar of Pawnee (1976) by Parks, Douglas R . Archive.org
The Hako: a Pawnee ceremony (1904) by Fletcher, Alice C. (Alice Cunningham), 1838-1923; Murie, James R; Tracy, Edwin S . Archive.org
Indian sketches, taken during and expedition to the Pawnee and other tribes of American Indians (1835) by Irving, John Treat, 1812-1906 . Archive.org