Olsson, Axel A. 1889-1976. The Linnaean olives, by Axel A. Olsson and S. Peter Dance. - Ithaca, N.Y., Paleontological Research Institution, 1966. - 216-223 p. plate. 24 cm. - Bulletins of American Paleontology, v. 50 no. 227 . Bibliography: p. 220. LCCN: gs 66000133 Subjects--Topical Terms: Volutidae. LC Class. No.: QE809.V7 / O39 Dewey Class. No.: 564.3