Illustrations of Canadian fossils : triassic, jurassic, and lower cretaceous spores and pollen of arctic Canada - McGregor, D. C. (Ottawa : Department of Mines and Tehnical Surveys, 1659)
Includes bibliographical references.
Keywords: Paleobotany -- Cretaceous; Geology, Stratigraphic -- Jurassic; Geology, Stratigraphic -- Triassic; Fossils -- Canada