Annotation | Vols. 2-4 published: Cambridge [England] : University Press ; New York : G.P. Putnam's Sons. Includes bibliographical references and indexes. v. 1-2 [without special title] -- v. 3. Pteridospermeae, Cycadofilices, Cordaitales, Cycadophyta -- v. 4. Ginkgoales, Coniferales, Gnetales. | Translate
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