Whipple, Gertrude. At Home on our earth / Gertrude Whipple & Preston E. James ; cartographic by Armin K. Lobeck. - New York : Macmillan, c 1949. - v, 346 p. : ill. ; 26 cm. - Whipple & James basal geographies. . Includes index. 67 67 Subjects--Topical Terms: Geography -- Textbooks--America. Dewey Class. No.: 910 / W577a