El Boletin. (Chihuahua, Mexico), Vol. 1, No. 1, Ed. 1 Saturday, January 12, 1867, periodical, January 12, 1867; (https://texashistory.unt.edu/ark:/67531/metapth1707806/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .