[The Butler Building], photograph, December 29, 1909; (https://texashistory.unt.edu/ark:/67531/metapth278947/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[The Butler Building], photograph, December 29, 1909; (https://texashistory.unt.edu/ark:/67531/metapth278947/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .