"Collection de l'Art Brut," Paris, France, correspondence to Lambert, 2001

"Collection de l'Art Brut," Paris, France, correspondence to Lambert, 2001, Box: 5, Folder: 43. Don Lambert collection of Elizabeth Layton papers, RH MS 1538. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/472698 Accessed December 25, 2025.