MDGenWeb: Washington County - Affiliated with the MDGenWeb and USGenWeb projects this site provides resources for history and genealogy research. - http://midatlantic.rootsweb.com/MD/washington/
Wikipedia - Washington County, Maryland - Free encyclopedia. History, government, geography, demographics, cities and towns. - http://en.wikipedia.org/wiki/Washington_County%2C_Maryland
Washington County Historical Trust - Dedicated to the preservation of the county’s historic structures and cultural resources. Features trust background, property preservation information, and articles. - http://www.wcht.org/