Imperial Sugar Company. [Pamphlet: Statement of Imperial Sugar Company, December 31, 1954], pamphlet, December 31, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1162048/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .