[Discovering Nature's Beauty Together: An Old Couple's Journey at Mast Arboretum, Stephen F. Austin State University], photograph, March 2008; (https://texashistory.unt.edu/ark:/67531/metadc1979375/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .