Robinson, Arthur Howard, 1915-. The nature of maps essays toward understanding maps and mapping / Arthur H. Robinson and Barbara Bartz Petchenik. - Chicago, Ill. University of Chicago Press 1976. - xi, 138 p. : ill. ; 23 cm. Includes index. Bibliography: p. 125-134. ISBN: 0226722813 LCCN: 75-036401 Subjects--Topical Terms: CartographyMaps