Robinson, William J, and Ronald H Towner. 1993. A Directory Of Tree-Ring Dated Native American Sites In The American Southwest. Tucson: Laboratory of Tree-Ring Research.

Robinson, William J, and Catherine M Cameron. 1991. A Directory Of Tree-Ring Dated Prehistoric Sites In The American Southwest. Tucson: Laboratory of Tree-Ring Research.

Breternitz, David Alan. 1963. ?The Archaeological Interpretation Of Tree-Ring Specimins For Dating Southwestern Ceramic Styles?. Tucson: University of Arizona.