Friends of the Patapsco Female Institute:  www.patapscofemaleinstitute.org

Howard County Genealogical Society:  users.aol.com/castlewrks/hcgs

Historic Ellicott City Incorporated:  www.hecinc.org

Ellicott City Railroad Museum:  www.ecborail.org

Columbia Archives:  www.columbiaassociation.com

Ellicott City Restoration, Inc:  www.ecrf.org

Preservation Howard County:  www.preservationhowardcounty.org

The Howard County Conservancy:  www.hcconservancy.org

Maryland Historical Society:  www.mdhs.org 

 

 
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