"Tejas: Life and Times of the Caddo" from the Texas Beyond History
http://www.texasbeyondhistory.net/tejas/index.html

"Caddo Nation" from the Encyclopedia of Arkansas:
http://encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?entryID=549&type=Race+%26+Ethnicity&item=Native+American

"Caddo Indian Memorial" from the Encyclopedia of Arkansas History & Culture
http://encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?entryID=4105&type=Race+%26+Ethnicity&item=Native+American

"Prehistoric Caddo" from the Encyclopedia of Arkansas History & Culture
http://encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?entryID=548&type=Race+%26+Ethnicity&item=Native+American

"Dehahuit (?–1833)" from the Encyclopedia of Arkansas History & Culture
http://encyclopediaofarkansas.net/encyclopedia/entry-detail.aspx?search=1&entryID=559