[Otto Lindig and His Sister], photograph, October 5, 1967; (https://texashistory.unt.edu/ark:/67531/metapth63736/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Otto Lindig and His Sister], photograph, October 5, 1967; (https://texashistory.unt.edu/ark:/67531/metapth63736/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .