Lists of inhabitants in Washington County, Pennsylvania, 1800 or before

Ancestry.com. Lists of inhabitants in Washington County, Pennsylvania, 1800 or before [webbaserad databas]. Provo, UT: Ancestry.com Operations Inc, 2004.Originaldata: Bell, Raymond Martin,. Lists of inhabitants in Washington County, Pennsylvania, 1800 or before : with maps of early townships : 1776-80 petition, 1800 county census. Washington, Pa.: unknown, 1961.