Current trends in linguistics : volume IV, Ibero-American and Caribbean linguistics
edited by Thomas A. Sebeok
Mouton, 1968
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Boles, John B.
A Companion to the American South
Blackwell Publishers, 2002
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Crises in the Caribbean
Sage, 1987
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Key, Mary Ritchie
Grouping of South American Indian languages
Tubingen Gunter Narr Verlag 1979
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Handook of South American Indians edited
Washington United States Government Printing Office 1948
 Buku Teks