Box 5, Folder 4, Selena Sloan Butler papers, Archives Division, Auburn Avenue Research Library on African-American Culture and History, Atlanta-Fulton Public Library System.. "Correspondence, Dr. H. R. Butler Sr.." Auburn Avenue Research Library on African-American Culture and History. 1894/1930, https://dlg.galileo.usg.edu/aaed/do:aarl09.002-005-004.

Box 5, Folder 4, Selena Sloan Butler papers, Archives Division, Auburn Avenue Research Library on African-American Culture and History, Atlanta-Fulton Public Library System. (1894/1930). Correspondence, Dr. H. R. Butler Sr.. Retrieved from https://dlg.galileo.usg.edu/aaed/do:aarl09.002-005-004

Box 5, Folder 4, Selena Sloan Butler papers, Archives Division, Auburn Avenue Research Library on African-American Culture and History, Atlanta-Fulton Public Library System.. "Correspondence, Dr. H. R. Butler Sr.." 1894/1930. May 12, 2026. https://dlg.galileo.usg.edu/aaed/do:aarl09.002-005-004.