- http://nac.tamu.edu/x075bb/caddo/Indians.html
- http://files.usgwarchives.net/la/caddo/history/caddoi1.txt
- http://files.usgwarchives.net/la/caddo/history/brhiscaddo.txt
- http://www.caddosheriff.org/pr/releases/backgrnd/cadohist.htm
- http://www.caddohistory.com/
- http://www.caddo.org/about.cfm
- http://www.louisianatravel.com/caddo-parish