[Flyer: Wingtip-to-Wingtip Association], pamphlet, September 27, 2008; (https://texashistory.unt.edu/ark:/67531/metapth908573/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Flyer: Wingtip-to-Wingtip Association], pamphlet, September 27, 2008; (https://texashistory.unt.edu/ark:/67531/metapth908573/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .