Illies & Co. [Letter from Illies & Co. to Ferdinand Louis Huth, June 18, 1846], letter, June 18, 1846; (https://texashistory.unt.edu/ark:/67531/metapth188572/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .