Frisbie, Charlotte J.
1987 Navajo Medicine Bundles or Jish: Acquisition, Transmission, and Disposition in the Past and Present. Albuquerque: University of New Mexico Press.
Kelley, Klara Bonsack and Harris Francis
1994 Navajo Sacred Places. Bloomington: Indiana University Press.
Hirschfelder, Arlene and Paulette Molin
2000 Encyclopedia of Native American Religions. New York: Checkmark Books.