A study in race, racism and presidential politics: The pursuit of black representation on U.S. postage stamps during the early 20th centuryv. 139No. 3American Philatelic Society26–37
Mitchell, Calvin and Wilder, Baasil. 2025. "A study in race, racism and presidential politics: The pursuit of black representation on U.S. postage stamps during the early 20th century." The American Philatelist, 139, (3) 26–37.