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9[3]Aptheker, Herbert, ed. Newspaper Columns by W. E . B . Du Bois.2 vols. Millwood, New York: Kraus Thomson Organization Limited, 1986.
10[4]Jordan,Winthrop. White Over Black :American Attitudes Toward the Negro, 1550 - 1812. New York: W. W. Norton &Co., 1968.
