References
^ (2012). North America: the historical geography of a changing continent, Rowman & Littlefield. Product. ISBN 9780742500198 (revised Apr 2012)^ (2012). North America: the historical geography of a changing continent, Rowman & Littlefield. Wiki. ISBN 9780742500198 (revised Apr 2012)^ McIlwraith, Thomas F. (2014). North America : The Historical Geography of a Changing Continent, Rowman & Littlefield Pub Inc. BiggerBooks. ISBN 9780742500198 (revised Dec 2023)
|