S
Sappington, Robert L. 1982. Appendix B: X-Ray Fluorescence Analysis of Obsidian Artifacts from Two Sites in the Texas Panhandle. In Inter-Societal Food Acquisition Among Egalitarian Societies, by Katherine A. Spielmann, pp. 369-379. Unpublished Ph.D. Dissertation, Department of Anthropology, University of Michigan, Ann Arbor, Michigan.
W
Whalen, Michael E.. 1994. Turquoise Ridge and Late Prehistoric Residential Mobility in the Desert Mogollon Region. University of Utah Anthropological Papers No. 118, Salt Lake City, Utah.