“Mobile as a Cotton City 1820-1860”. Alabama Moments in American History. Alabama Department of Archives and History. 28 September 2011時点のオリジナルよりアーカイブ。16 January 2011閲覧。
“Mobile as a Cotton City 1820-1860”. Alabama Moments in American History. Alabama Department of Archives and History. 28 September 2011時点のオリジナルよりアーカイブ。16 January 2011閲覧。