Robinson, Peter Fossil mammalia of the Huerfano formation, Eocene of Colorado / P . Robinson. - New Haven : Yale University, 1966. - vii, 95 p. : ill., 10 plates ; 26 cm. - Peabody Museum of Natural History, Yale University ; Bulletin 21 . Includes bibliographical references (p. 79-83). Subjects--Topical Terms: Mammals, Fossil.------Eocene.--Paleontology ------Eocene.-- Dewey Class. No.: 569 ROB