[D. M. O'Connor Financial Ledger: 1887-1891], book, 1887-12-17/1891-12-15; (https://texashistory.unt.edu/ark:/67531/metapth706790/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[D. M. O'Connor Financial Ledger: 1887-1891], book, 1887-12-17/1891-12-15; (https://texashistory.unt.edu/ark:/67531/metapth706790/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .