[Final Opinion of Title Related to the Oil and Gas Lease From John Miller to Indian Territory Illuminating Oil Company], legal document, November 22, 1939; (https://texashistory.unt.edu/ark:/67531/metapth1156779/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .