http://bama.ua.edu/~alaarch/prehistoricalabama/mississippian.htm (http://bama.ua.edu/~alaarch/prehistoricalabama/mississippian.htm)
http://www.georgiaencyclopedia.org/nge/Article.jsp?id=h-707 (http://www.georgiaencyclopedia.org/nge/Article.jsp?id=h-707)
http://arkarcheology.uark.edu/indiansofarkansas/index.html?pageName=The+Mississippi+Period (http://arkarcheology.uark.edu/indiansofarkansas/index.html?pageName=The+Mississippi+Period)
http://en.wikipedia.org/wiki/Mississippian_culture (http://en.wikipedia.org/wiki/Mississippian_culture)
http://www.nps.gov/history/seac/outline/05-mississippian/ (http://www.nps.gov/history/seac/outline/05-mississippian/)