Blackshear, A. H., Jr. [Letter from A. H. Blackshear, Jr. to American Florist Supply Company, August 11, 1950], letter, August 11, 1950; (https://texashistory.unt.edu/ark:/67531/metapth1349917/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .