(EN) Papers of The NAACP - Part 7. The Anti-Lynching Campaign, 1912-1955 (PDF), su cisupa.proquest.com, NAACP, p. 19. URL consultato il 9 agosto 2013 (archiviato dall'url originale il 9 agosto 2013).
«Of particular interest is a lengthy effort to collect on $ 5,000 pledge - at the time the largest single contribution ever made to the NAACP - from the estate of Madame C.J. Walker, the millionaire black cosmetician, who had made the pledge just prior her death in 1919.»