1. Lutonsky A. F. 1998 Implements of Close Encounter : Shock Weapon Systems of the Prehistoric Southwest. Paper presented in the Symposium : Archaeology and Architecture of Tactical Sites, Arizona Archaeological Council, Flagstaff.
2. Mathien F. J. 1999 Cultural Resource Survey : Archaeology of the Zuni Heaven Land Exchange, Lower Concho Creek, Arizona. Report on file, Bureau of Indian Affairs, Albuquerque.