The Plow Boy (Austin, Tex.), Vol. 1, No. 5, Ed. 1, Saturday, May 1, 1869, newspaper, May 1, 1869; (https://texashistory.unt.edu/ark:/67531/metapth78470/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .