[Letter to Elizabeth Ann Upshur Teackle Quinby about Andrew D. Campbell's Will, June 30, 1855], letter, June 30, 1855; (https://texashistory.unt.edu/ark:/67531/metapth1693430/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .