David S. Castle Co. Junior High School Building Iraan, Texas: Roof Framing Plan and Details, technical drawing, September 1, 1958; (https://texashistory.unt.edu/ark:/67531/metapth768897/m1/1/: accessed July 13, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .

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