[Biplane Outside Hangar], photograph, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth531794/m1/1/: accessed January 24, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Biplane Outside Hangar], photograph, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth531794/m1/1/: accessed January 24, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .