O'Neal, Bill. Fighting Men of the Indian Wars: A Biographical Encyclopedia of the Mountain Men, Soldiers, Cowboys, and Pioneers Who Took Up Arms During America's Westward Expansion, book, 1991; (https://texashistory.unt.edu/ark:/67531/metapth151417/m1/1/: accessed August 12, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .