Frebold, Hans, 1899- The Jurassic faunas of the Canadian Arctic; Middle and Upper Jurassic ammonites. - [Ottawa] Dept. of Mines and Technical Surveys, Canada [1961] - 43 p. 21 plates, maps, table. Abstract in English and French. Bibliography: p. 41-43. LCCN: gs 62000015 Subjects--Topical Terms: Ammonoidea.Paleontology--Jurassic.Paleontology--Arctic regions.Paleontology--Canada. LC Class. No.: QE185 / .A43 no. 74