Holt-Jensen, Arild. Geography, history and concepts : - 4th ed. - Thousand Oaks, CA : Sage Publications, 2009. - xv, 264 p. : ill., maps ; ISBN: 9781412946490 (cloth) 9781412946506 (paper) Subjects--Topical Terms: GeographyGeography LC Class. No.: MED G70 / H613