Louviere, William H. [Imperial Sugar Company Employee Memorandum, August 11, 1954], letter, August 11, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1134435/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .