(en) J. Brewton Berry, «The Missouri Indians», The Southwestern Social Science Quarterly, vol.17, no2, , 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, , 157p. (ISBN978-0-8262-7244-7, OCLC781854373, lire en ligne).