"Meditation and Ecstacy: A Comparison of Selected Works by Henri Matisse and Albert Bloch" by Dennis Helm [draft], 1985, Box: 3, Folder: 13. Dennis K. Helm papers, RH MS 1000. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/544750 Accessed December 30, 2024.