United States. War Department. Office of the Chief of Engineers. [Acceptable Specifications for the Hood Fire Protection - December 6, 1943], letter, December 6, 1943; (https://texashistory.unt.edu/ark:/67531/metapth1479423/m1/1/: accessed May 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .