1. Prehistoric Ritual Skull Burials at the Crenshaw Site (3M16), Southwest Arkansas;Powell;Bulletin of the Texas Archeological Society,1977
2. A Wolf Mask and Other Carnivore Skull Artifacts from the Palestine Site, Illinois.;Parmalee;Pennsylvania Archaeologist,1972
3. The Kula, Past and Present: The Kula: New Perspectives on Massim Exchange . Jerry W. Leach, Edmund Leach. ; The Kula: A Bibliography . Martha Macintyre.
4. Use of Mammalian Skulls and Mandibles by Prehistoric Indians of Illinois.;Parmalee;Illinois Academy of Science,1959
5. The Hopewell Mound Group of Ohio;Moorehead;Field Museum of Natural History, Anthropological Series,1922