tributes to the career of Clayton E. Ray Emry, Robert J. text handbook dcu Washington, D.C Smithsonian Institution Press 2002 monographic eng v, [1], 372 p. ill., ports. 28 cm. specialized Robert J. Emry, editor. Includes bibliographical references. Ray, Clayton Edward 1933- Mammals, Fossil Paleontology Cenozoic PUCPR 031104 20160527193036.0 263995