Letters from Olgivanna Lloyd Wright to Elizabeth Gordon [Norcross] and others, 1946, 1957-1959, Box: 1, Folder: 3-8. Correspondence and papers concerning the life and work of Frank Lloyd Wright, MS 132. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/401239 Accessed February 18, 2025.