[Recapitulation of Retirement Plan Cost Study for Imperial Sugar Pension Trust, September 1, 1954], report, September 1, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1182333/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .