Dury, G. H. 1916- Map interpretation. - [3d ed.] - Pitman [1967] - 215 p. Bibliography: p. 199-208. LCCN: 67111103 Subjects--Topical Terms: Maps. LC Class. No.: GA151 / .D8 1967 Dewey Class. No.: 912.01 / DUM 1967