The Papers of Martin Luther King, Jr.: Volume VI: Advocate of the Social Gospel, September 1948–March 1963 (2007) excerpt and text search Levy, Peter B. Let Freedom Ring: A Documentary History of the Modern Civil Rights Movement (1992), online edition Rawick, George P. ed. The American Slave: A Composite Autobiography (19 vols, 1972), oral histories with ex-slaves conducted in the 1930s by Works Progress Administration Sernett, Milton C. African American Religious History: A Documentary Witness (1999) excerpt and text search Wright, Kai, ed. The African-American Archive: The History of the Black Experience Through Documents (2001)