Watson,J.Wreford North America : it countries and regions / J.Wreford Watson. - 2nd ed.. - - London : Longman, 1968 (1970 printing) xxi,881 p. : plates,illus.
. - (Geographies For Advanced Study )
Includes bibliographical references and index
582481511 * * America (North) - Geography * Beaver,S.H.,series ed. * * Series