(en) J. Brewton Berry, « The Missouri Indians », The Southwestern Social Science Quarterly, vol. 17, no 2, , p. 113-124 (JSTOR42879332).
(en) Michael Dickey, The People of the River's Mouth : in Search of the Missouria Indians, Columbia, University of Missouri Press, , 157 p. (ISBN978-0-8262-7244-7, OCLC781854373, lire en ligne).