[Clipping: 3 Doctors Say Hefley Now Sane], clipping, December 14, 1972; (https://texashistory.unt.edu/ark:/67531/metadc1794667/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Clipping: 3 Doctors Say Hefley Now Sane], clipping, December 14, 1972; (https://texashistory.unt.edu/ark:/67531/metadc1794667/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .