Clifford Lykke's 94th Birthday, photograph, 2005; (https://texashistory.unt.edu/ark:/67531/metapth223298/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Clifford Lykke's 94th Birthday, photograph, 2005; (https://texashistory.unt.edu/ark:/67531/metapth223298/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .