Calvert County Genealogical Society

Calvert County Historic Landmarks

Calvert County Historical Society

Calvert County History Digital Library - [In this digital library you will find actual digitized reproductions and resources that celebrate Calvert County's broad history.]

Calvert County's 350th Birthday Celebration

Charles County Historic Sites

Charles County Genealogical Society

St. Mary's Beacon Newspaper Index - 1852-1890

St. Mary's County Genealogical Society, Inc.

St. Mary's County Historic Sites

St. Mary's County Historical Society

Southern Maryland Studies Center [Historical & genealogical resources]

Summerseat Sanctuary, Inc.

Tobacco to Tomcats: St. Mary's County since the Revolution [History of St. Mary's County for young readers]

Where Maryland Began... the Colonial History of St. Mary's County [History of St. Mary's County for young readers]