Age of Gospel, Boyer, Horace Clarence. Elliott and Clark, ©1995 We'll Understand It Better By And By: Pioneering African-American Gospel Composers, Reagon, Bernice Johnson. Washington, D.C.: Smithsonian Institution ©1992 References External links Sallie Martin (1895-1988) on BlackPast 1895 births 1988 deaths 20th-century African-American women singers American women singers American gospel singers 20th-century American singers 20th-century American women singers