Clark, R. B. (1986). An every name index to memorandum book of births, marriages, and deaths of Isaac Sullivan of Portville, Broad Creek Hundred, Sussex County, Delaware. St. Michaels, Md. (Box 352, St. Michaels 21663): Maryland and Delaware Genealogist.
Chicago Style CitationClark, Raymond B. An Every Name Index to Memorandum Book of Births, Marriages, and Deaths of Isaac Sullivan of Portville, Broad Creek Hundred, Sussex County, Delaware. St. Michaels, Md. (Box 352, St. Michaels 21663): Maryland and Delaware Genealogist, 1986.
MLA CitationClark, Raymond B. An Every Name Index to Memorandum Book of Births, Marriages, and Deaths of Isaac Sullivan of Portville, Broad Creek Hundred, Sussex County, Delaware. St. Michaels, Md. (Box 352, St. Michaels 21663): Maryland and Delaware Genealogist, 1986.