Elliot, Elisabeth (1975). These Strange Ashes. New York: Harper & Row.
Karsten, Rafael (1924). "The Colorado Indians of Western Ecuador." Ymer (Stockholm) 44(2): 137-152.
Moore, Bruce R. (1979). El cambio cultural entre los colorado de Santo Domingo. Quito: Instituto Lingüístico de Verano.
Santiana, Antonio (1951). The Colorado Indians (Tsatchila). Quito: Imprenta de la Universidad.
Von Hagen, Victor W. (1939). "The Tsátchela Indians of Western Ecuador." Indian Notes and Monographs (Museum of the American Indian, Heye Foundation). Miscellaneous Series, no. 51. 79 pp.