Biography and Bibliography of Clayton Edward RaySmithsonian Institution1–13
Eshelman, Ralph E., Emry, Robert J., Domning, Daryl P., and Bohaska, David J. 2002. "Biography and Bibliography of Clayton Edward Ray." In Cenozoic Mammals of Land and Sea: Tributes to the Career of Clayton E. Ray. Emry, Robert J., editor. 1–13. Smithsonian Institution. In Smithsonian Contributions to Paleobiology, 93.