Ely, Richard Theodore, 1854-1943. Land economics / [by] Richard T. Ely and George S. Wehrwein. - Madison : University of Wisconsin Press, 1964. - xi, 496 p. : ill., maps. ; 23 cm. - 333 . Bibliogr. footnotes. Subjects--Topical Terms: Land use Dewey Class. No.: 333