Jacksboro Gazette-News (Jacksboro, Tex.), Vol. EIGHTY-EIGHTH YEAR, No. 37, Ed. 0 Thursday, February 15, 1968, newspaper, February 15, 1968; (https://texashistory.unt.edu/ark:/67531/metapth732691/m1/1/: accessed February 19, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .