"The Negro's Footprints On This city's Shifting Sands of Progress", from Orrin Murray's "The Negro's Contribution to This City", 1971, Box: 3, Folder: 7. Susan Greenbaum papers, RH MS 1474. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/391875 Accessed May 15, 2024.