Bishop Sparks correspondence concerns Sierra Leone from 1966 until 1973. The oral history interview was conducted as part of the Center for the Study of Evangelical United Brethren History, Oral History Program. This program was part of the EUB Heritage Project. The interview was conducted by John R. Knecht on February 21, 1981, in Sacramento, California. There is one cassette tape with this interview as well as a twenty-one page typed transcript.