Williams & Bradley. [Letter from Williams & Bradley to H. Kempner, February 16, 1906], letter, February 16, 1906; (https://texashistory.unt.edu/ark:/67531/metapth1301946/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .