Arrgt. Details & Foundations for 40 MM Gun Director & Clipping Room Main Dk. Frs. 70 - 78 P/S, item, April 14, 1942; (https://texashistory.unt.edu/ark:/67531/metapth887431/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .