1. Pleistocene and Recent stratigraphy;Haynes;Late Pleistocene Environments of the Southern High Plains,1975
2. Animal food resources of Paleoindians;Johnson;Paleo-Indian Lifeways,1977
3. The Selby and Dutton sites: Evidence for a possible pre-Clovis occupation of the High Plains;Stanford;Pre-Llano Cultures of the Americas: Paradoxes and Possibilities,1979
4. THE COLLECTION OF FOUND IVORY IN MURCHISON FALLS NATIONAL PARK, UGANDA