History of Washington County from its first settlement to the present time

Ancestry.com. History of Washington County from its first settlement to the present time [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Creigh, Alfred.. History of Washington County from its first settlement to the present time : first under Virginia as Yohogania, Ohio, or Augusta County until 1781, and subsequently under Pennsylvania : with sketches of all the townships, boroughs, and villages, etc. : and to which is added a full account of the celebrated Mason and Dixon's Line, the Whiskey Insurrection, Indian warfare, traditional and local historical events. Harrisburg, Pa.: B. Singerly, printer, 1871, c1870.