[Portrait of Comanche Boy, Sherman Poco], photograph, 1890~; (https://texashistory.unt.edu/ark:/67531/metapth16491/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Portrait of Comanche Boy, Sherman Poco], photograph, 1890~; (https://texashistory.unt.edu/ark:/67531/metapth16491/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .