Rankin, R.L. 1998. Grammatical Evidence for Genetic Relationship and the Macro-Siouan Problem. Papers from the Annual Meetings of the Atlantic Provinces Linguistic Association (PAMAPLA) / ACTES DES COLLOQUES ANNUELS DE L’ASSOCIATION DE LINGUISTIQUE DES PROVINCES ATLANTIQUES (ACAALPA). 21, (Jun. 1998), 20–44.