[Letter from Jascha to I. H. Kempner, April 1944], letter, 1944-04~; (https://texashistory.unt.edu/ark:/67531/metapth1451550/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[Letter from Jascha to I. H. Kempner, April 1944], letter, 1944-04~; (https://texashistory.unt.edu/ark:/67531/metapth1451550/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .