Sanborn, Ethel I. Contribution to paleontology : Eocene flora of Werstern America. - Washington : Carnegie Institution, 1937. - 156 p. : il. ; 30 cm - Carnegie Inst. Publ 465 . Subjects--Topical Terms: PaleontologĂaEocenoFlora Subjects--Geographic Terms: AmĂ©rica Index Terms--Genre/Form: Seriemon Universal Decimal Class. No.: 561((7-15)