File Correspondence file J, Undated Box 4 (yella pessl papers), Folder 6 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Correspondence file L, Undated Box 4 (yella pessl papers), Folder 7 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Correspondence file M, Undated Box 4 (yella pessl papers), Folder 8 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Correspondence, concert season, 1944-1945 Box 4 (yella pessl papers), Folder 9 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Correspondence, management, 1946-1947 Box 4 (yella pessl papers), Folder 10 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Miscellaneous correspondence, 1930s-1970s Box 4 (yella pessl papers), Folder 11 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Fan mail and other miscellaneous correspondence, 1940s Box 4 (yella pessl papers), Folder 12 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Die Schule. Eine Komdie von Jella Pessl dem Vater zu seinem Geburtstag, 1918 November 23 Box 4 (yella pessl papers), Folder 13 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File An Example of North-American Figured Bass Practices as Illustrated by the Notebook of Amy van Vleck. Also 3 reproductions from the notebook of Amy Van Vleck., Undated Box 4 (yella pessl papers), Folder 14 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979
File Articles by Pessl, Undated Box 4 (yella pessl papers), Folder 15 Repository German and Jewish Intellectual Émigré Collections » Yella Pessl Sobotka Papers, 1918-1979