Helvig Berndt on Accordion, photograph, 1930/1950; (https://texashistory.unt.edu/ark:/67531/metapth222867/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Helvig Berndt on Accordion, photograph, 1930/1950; (https://texashistory.unt.edu/ark:/67531/metapth222867/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .