Documents related to the case of The State of Texas vs. Jerome Loper, cause no. 565, no. 567, and no. 4191, 1932, legal document, 1909; (https://texashistory.unt.edu/ark:/67531/metapth104755/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .