[Client Card: Mr. A. Agopoff], text, 1937-09/1980-02; (https://texashistory.unt.edu/ark:/67531/metapth598804/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Client Card: Mr. A. Agopoff], text, 1937-09/1980-02; (https://texashistory.unt.edu/ark:/67531/metapth598804/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .