"Das Lied Von Der Erde" The Song of the Earth, 1940

"Das Lied Von Der Erde" The Song of the Earth, 1940, Box: 2, Folder: 90. Leah Nolan papers, RH MS 422. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/90716 Accessed December 26, 2025.