https://trace.tennessee.edu/entities/publication/0009f836-a4b6-43b1-8f50-24d2f7a320e2
The Skeletal Biology of the Caddo Indians of the Kaufman-Williams Site, Red River County, Texas
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https://www.texasbeyondhistory.net/tejas/teach/index.html
Tejas Teaching about the Caddo Indians
caddo indianstejasteaching
https://www.newadvent.org/cathen/03129a.htm
CATHOLIC ENCYCLOPEDIA: Caddo Indians
In the earlier period they were commonly known to the Spaniards as Tejas, whence the name of the State, and to the French as Cenis or Assinais
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