"Unearthing the Roots of the Alabamaian Cogic Sisters of Thunder: the Material Slave Genalogy and African Ancestry of District Evangelist Missionary Mary L. Meachams Sanders Atkins (1895-1995) of Tuscaloosa, Alabama and District Evangelist Missionary Venell A. Pleasant (1907-1979) of Gadsden, Alabama"

https://digitalshowcase.oru.edu/sps_meeting_papers/sps2017/Papers/58