Whittlesey, Derwent Stainthorpe, 1890-1956. The earth and the state : a study of political geography / by Derwent Whittlesey. - New York : Henry Holt and Company, c1939. - xvii, 618 p. : maps (2 fold.) ; 24 cm. Includes index. Subjects--Topical Terms: Geopolitics.Political geography. Dewey Class. No.: 327.1011 / WHE 1939