(en) Flávia de Castro Alvés, 2010, Evolution of Alignment in Timbira, International Journal of American Linguistics, 76:4, p. 439-475.
(en) Eduardo Rivail Ribeiro, Hein van der Voort, 2010, Nimuendajú Was Right : The Inclusion of the Jabuti Language Family in the Macro-Jê Stock, International Journal of American Linguistics, 76:4, p. 517-570.