Giulia M. Oliverio and Robert L. Rankin 2003
Tutelo, a Ohio Valley Siouan language, is missing from E17/E18/E19/E20/E21/E22/E23/E24 ( Oliverio, Giulia R. M. 1997 , L. J. Frachtenberg 1913 , Horatio Hale 1883 ).