History of the Charles Conrad Johanson Family, text, 1976~; (https://texashistory.unt.edu/ark:/67531/metapth759075/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
History of the Charles Conrad Johanson Family, text, 1976~; (https://texashistory.unt.edu/ark:/67531/metapth759075/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .