[Chemistry Lab at Lamar University], photograph, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1556209/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Chemistry Lab at Lamar University], photograph, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1556209/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .