Leavelle, J. R. [Supplementary Offense Report - John Merrick Interview, February 27, 1964], legal document, February 27, 1964; (https://texashistory.unt.edu/ark:/67531/metapth190310/m1/1/: accessed July 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .

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