The Fort Brown Flag (Brownsville, Tex.), Vol. 15, No. 1, Ed. 1 Thursday, April 17, 1862, newspaper, April 17, 1862; (https://texashistory.unt.edu/ark:/67531/metapth178689/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .