Columbia University Libraries, Thirty years of lynching in the United States, 1889-1918., New York : National Association for the Advancement of Colored People, National Office, (lire en ligne)
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Cameron McWhirter, Red Summer. The Summer of 1919 and the Awakening of Black America, Henry Holt, , 35–40 p. (ISBN9780805089066, lire en ligne), « National Conference on Lynching »