"Masks," "Mona Lisa," "Handkerchief Hammock with Twins," "Lady Macbeth," and "Mother's Day", 1978 - 1982, Box: 1, Folder: 37. Lynn Bretz collection of Elizabeth Layton and Asa Converse materials, RH MS 1541. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/493884 Accessed November 28, 2024.