Lockhart, Bill. "Protohistoric Confusion: A Cultural Comparison of the Manso, Suma, and Jumano Indians of the Paso del Norte Region." Journal of the Southwest 39, no. 1 Spring 1997: 113-49. https://www.jstor.org/stable/40170002.

Lockhart, Bill. "Protohistoric Confusion: A Cultural Comparison of the Manso, Suma, and Jumano Indians of the Paso del Norte Region." Journal of the Southwest 39, no. 1 Spring 1997: 113-49. https://www.jstor.org/stable/40170002.