Arnold , Chester A . 1901- An Introduction to Paleobotany / Chester A. Arnold . - 1st ed. - New York : London : McGraw-Hill , 1947. - 433 p . : illus . ; 23 cm . - McGraw-Hill Publications / Series/ in the Botanical Sciences . Index : p . 417-433 . Includes "References ." Subjects--Topical Terms: Paleobotany--Paleobotany Subjects--Geographic Terms: --Paleobotany--Paleobotany Universal Decimal Class. No.: 561 A-76