re: Execution of blacks in Arkansas race riots
National Archives and Records Administration 230/06/41 file #158260 box #1284 NARA ID #14 2/3
Woodrow Wilson Presidential Library
Palmer, Mitchell, “Attorney General A. Mitchell Palmer to Henry Allen Boyd et. al.,” 1919 December 29, L122619A, Race and Segregation Collection, Woodrow Wilson Presidential Library & Museum, Staunton, Virginia.