Sources
http://www.santafetrailscenicandhistoricbyway.org/scmasacre.html
https://www.loc.gov/search/?q=war+with+the+sioux&dates=1800-1899
http://www.eyewitnesstohistory.com/wilsonwar.htm
https://www.loc.gov/resource/20001931/1918-08-23/ed-1/?st=gallery
https://www.loc.gov/item/afccal000483/
http://www.eyewitnesstohistory.com/wilsonwar.htm
https://www.loc.gov/resource/20001931/1918-08-23/ed-1/?st=gallery
https://www.loc.gov/item/afccal000483/