Paterson, J. H. North America : a geography of Canada and the United States / J.H. Paterson. - 4th ed. - London : Oxford University Press, 1972. - 319 p. : ill. ; 26 cm. Previous ed.: 1965. Bibliography: p. 303-314. - Includes index. ISBN: 0199130124 Subjects--Geographic Terms: United States--Geography.Canada--Geography. Dewey Class. No.: 970 / PAN 1972