[Letters of Rev. Dr. Thomas McHutchin Cunningham], book, 1918; (https://texashistory.unt.edu/ark:/67531/metapth24653/m1/21/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Letters of Rev. Dr. Thomas McHutchin Cunningham], book, 1918; (https://texashistory.unt.edu/ark:/67531/metapth24653/m1/21/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .