Grimm, William Carey, 1907- The study of flowers made simple / William C. Grimm ; iIllustrated by the author. - Garden City, New York : Doubleday, 1962. - viii, 152 p. : il. - The Made simple books ; MT2 . LCCN: 62014693 Subjects--Topical Terms: Flores. Dewey Class. No.: 582.13