0.52 Alexander F. Chamberlain, On the Puelchean and Tsonekan (Tehuelchean) the Atacameñan (Atacaman) and Chonoan and the Charruan Linguistic Stocks of South America, American Anthropologist, 1911.

{ de la peru del }	0.52
{ de pp la der }	0.11
{ tribes indians indian river }	0.10
{ language linguistic languages speech }	0.08