Union (Galveston, Tex.), Vol. 6, No. 108, Ed. 1 Tuesday, March 19, 1861, newspaper, March 19, 1861; (https://texashistory.unt.edu/ark:/67531/metapth180710/m1/1/: accessed June 29, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .