Buttonwoods Museum (Haverhill Historical Society)
Essex National Heritage Area
Historic New England
Haverhill Fire Fighting Museum
National Historic Register
Festival of Trees – Methuen
East Parish Meeting House of Haverhill Website and Facebook page
Whittier’s Birthplace
Preservation Massachusetts
Most Endangered Places (National Trust for Historic Preservation)
Mass DOT
The Great Flood of Haverhill 1936