City of Havre de Grace
Concord Point Light House and Keeper’s House Museum
Cultural Center at the Opera House
Harford County Association of Realtors
Harford County Historic Preservation
Havre de Grace Colored School Museum and Cultural Center
Havre de Grace Decoy Museum
Havre de Grace Maritime Museum
Havre de Grace Visitor Center
Historic Havre de Grace Foundation
Historical Society of Harford County
Maryland Center for History and Culture
Maryland Historical Trust
National Register of Historic Places
Preservation Maryland
Sanborn Fire Insurance Maps
The Susquehanna Museum at the Lockhouse
You Know You’re From HdG When