[Trading Card: Great Blue Heron], text, 2011; (https://texashistory.unt.edu/ark:/67531/metapth662072/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Trading Card: Great Blue Heron], text, 2011; (https://texashistory.unt.edu/ark:/67531/metapth662072/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .