a text book for students of botany and geology Seward, A. C. (Albert Charles) 1863-1941 creator text bibliography nyu New York Hafner Pub. Co. 1963 monographic eng xxi, 624 p. : illus., port. 24 cm. Vol. 2-- V. 3-- Pteridospermeae, cycadofilices, cordaitales, cycadophyta V.4-- Ginkgoales, coniferales, gnetales A. C. Seward. Includes bibliographical references. Paleobotany 561 SEF V-2 1963 OCLCE 140223 20211209000417.0 19282 eng