Caddell, Mrs. H. B. [Check from Mrs. H. B. Caddell to R. K. Byrd, July 27, 1921], legal document, July 27, 1921; (https://digital.library.unt.edu/ark:/67531/metapth186914/m1/1/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .