[Introduction to Information Organization], photograph, August 24, 2020; (https://texashistory.unt.edu/ark:/67531/metadc2097740/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Introduction to Information Organization], photograph, August 24, 2020; (https://texashistory.unt.edu/ark:/67531/metadc2097740/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .