*[https://www.tshaonline.org/handbook/entries/yarborough-ralph-webster Biography] via ''Texas State Historical Association
*[https://www.tshaonline.org/handbook/entries/yarborough-ralph-webster Biography] via ''Texas State Historical Association
*[https://www.findagrave.com/memorial/18189/ralph-webster-yarborough Profile] at ''Find a Grave
*[https://www.findagrave.com/memorial/18189/ralph-webster-yarborough Profile] at ''Find a Grave
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*[https://www.washingtonpost.com/archive/local/1996/01/28/ralph-w-yarborough-dies/5fb890f1-3a67-427f-ac8f-08f493da42c7/ Obituary] via ''The Washington Post