Passing of Elders - A tribute to Truman W. Dailey, the "last fluent speaker" of the Otoe-Missouria language, who passed away on December 16, 1996, at the age of 98. - http://www.dickshovel.com/elders.html#Truman
Ioway-Otoe-Missouria Language - Jimm G. Good Tracks' descriptions and bibliography of research and fieldwork into the native language of the Ioway and Otoe of Kansas and Oklahoma. - http://spot.colorado.edu/~koontz/tracks/jgtiombib.htm