Murra, John. 1946. "The historic tribes of Ecuador." In Handbook of South American Indians: The Andean civilizations. 785–821. 143 in Bureau of American Ethnology Bulletins.
Smithsonian Folkways: FE 4375; F-4375 on container. Music of the Huarani, Colorado, Cayapa, Cofan, Siona, and Secoya tribes of Ecuador. Recorded by David Blair Stiffler. Program notes with ...
Twenty months after a landmark court ruling granted the Siekopai Nation land rights within a protected Amazon area, the Ecuadorian government has yet to issue the official title, with sources citing ...