Boxes in the Texas School Book Depository [Negative], photograph, 1963~; (https://texashistory.unt.edu/ark:/67531/metapth49509/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Boxes in the Texas School Book Depository [Negative], photograph, 1963~; (https://texashistory.unt.edu/ark:/67531/metapth49509/m1/1/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .