Jones, Clarence Fielden Economic geography / by Clarence Fielden Jones in collaboration with Gordon Gerald Darkenwald - New York : The Macmillan Company , 1950 - xxii p., 1 l., 629p. : ill. ; 26 cm. "Selected references" at end of each chapter. Subjects--Topical Terms: Economic geography Dewey Class. No.: 330.91 / JON