Letter to Doubleday Books from Margaret C. Day asking them to consider 'Mrs. Featherfine,' April 28, 2000 (3 copies); manuscript of 'Mrs. Featherfine's Easter Surprise'; formatted manuscript of same, Box: 1, Folder: 3. Personal papers of John Laurence Day, PP 551. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/174664 Accessed May 20, 2024.