Dalton, Lula. [Letter from Lula Dalton to Linnet Moore, February 19, 1900], letter, February 19, 1900; (https://texashistory.unt.edu/ark:/67531/metapth203846/m1/1/: accessed December 14, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .