Tham khảo Thượng_Nam_Hoa_Kỳ

  • Drake, Richard B. A History of Appalachia. The University Press of Kentucky (2001). ISBN 0-8131-2169-8
  • Jordan-Bychkov, Terry G. The Upland South: The Making of an American Folk Region and Landscape. Harrisonburg, VA: University of Virginia Press (2003). ISBN 1-930066-08-2
  • Meinig, D.W.. The Shaping of America - A Geographical Perspective on 500 Years of History, Volume 1 - Atlantic America, 1492-1800. New Haven: Yale University Press (1986). ISBN 0-300-03882-8
  • Meinig, D.W.. The Shaping of America - A Geographical Perspective on 500 Years of History, Volume 2 - Continental America, 1800-1867. New Haven: Yale University Press (1993). ISBN 0-300-05658-3
  • Meinig, D.W.. The Shaping of America - A Geographical Perspective on 500 Years of History, Volume 3 - Transcontinental America, 1850-1915. New Haven: Yale University Press (1998). ISBN 0-300-08290-8
  • Meinig, D.W.. The Shaping of America - A Geographical Perspective on 500 Years of History, Volume 4 - Global America, 1915-2000. New Haven: Yale University Press (2004). ISBN 0-300-10432-4
  • Williams, John Alexander. Appalachia: A History. The University of North Carolina Press (2002). ISBN 0-8078-5368-2
  • Zelinsky, Wilbur. The Cultural Geography of the United States. Prentice-Hall (1973), pp. 118–119, 122-124.