Goetzmann, William H. The Atlas of North American exploration from the horse voyages to the race to the pole / William H. Goetzmann, Glyndwr Williams. - [New York, N. Y.] : University of Oklahoma Press, c1992. - 224p. : ill. ; 28 cm. Bibliography : p. [203] - 20. Includes index. ISBN: 080613058X Subjects--Topical Terms: Explorers--History--Maps--North America Subjects--Geographic Terms: North America--Discovery and exploration--Maps LC Class. No.: G1106 / G55 1992