[Transcript of letter from Stephen F. Austin to J. B. Miller and W. Grayson, May 13, 1835], letter, May 13, 1835; (https://texashistory.unt.edu/ark:/67531/metapth216851/m1/1/: accessed May 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .