Wentworth-Coolidge Mansion is a 40 room clapboard house. It was declared a National Historic Landmark in 1968. The site is a New Hampshire state park. It is located on the water at 375 Little Harbor Road, about 2 miles southeast of the center of Portsmouth.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 10) (New York, NY: Harper and Brothers, 1912)
Courtesy the private collection of Roy Winkelman