CitasSmithsonian Institution Bureau of American Ethnology. "Tribes of the Gran Chaco: Locations at the first European contact." Map. University of Texas Libraries. 1946. Accessed April 8, 2023. https://maps.lib.utexas.edu/maps/historical/gran_chaco_tribes_1946.jpg.
Smithsonian Institution Bureau of American Ethnology. "Tribes of the Gran Chaco: Locations at the first European contact." Map. University of Texas Libraries. 1946. Accessed April 8, 2023. https://maps.lib.utexas.edu/maps/historical/gran_chaco_tribes_1946.jpg.