W.E.B. du Bois materials: Recorded autobiography of du Bois by Moses Asch, 1961, Box: 4, Folder: 58. William Tuttle's research and teaching in African American history and the history of racial violence in 20th century America, RH MS 1472. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/388350 Accessed February 18, 2025.