Colby, Charles C. 1884-1965. Economic geography : industries an resources of the commercial world / Charles C. Colby, Alice Foster - New ed. - New York : Ginn and Company, c1954. - xviii, 683 p. : ill. ; 23 cm. Includes Index Subjects--Topical Terms: Economic geography.Commercial geography. Dewey Class. No.: 330.9 / COE 1954