BridgesNYC: Postcards
Historical postcard collection
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Bridge Hunter
Bridges & Tunnels
Forgotten New York
Historic Bridges
Landmarks Preservation Commission Designation Reports
Movable Railroad Bridges of NJ
The Newtown Pentacle
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Brooklyn Historical Society
Bronx County Historical Society
Greater Astoria Historical Society
Historical Society of Elizabeth, NJ
Historic Richmond Town (Staten Island Historical Society)
New Jersey Historical Society
Newtown Historical Society
New-York Historical Society
Passaic County Historical Society
Queens Historical Society