Rodrigues, A. D. I. & Cabral, A. S. A. C. (2012). Tupían. In Campbell, L. & Grondona, V. (eds.), The Indigenous Languages of South America: A Comprehensive Guide. 59-166, Berlin: De Gruyter Mouton.
[Rodrigues & Cabral (2012)]
Schleicher, C. O. (1998). Comparative and internal reconstruction of the Tupi-Guarani language family. PhD dissertation. University of Wisconsin: Madison.
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When the etymological tree is displayed in hierarchical style, the nodes can be repositioned manually only within their level.
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This map shows the etymological links in a geographic context.