Twin forts of the Popolopen : Forts Clinton and Montgomery, New York, 1775-1777

Ancestry.com. Twin forts of the Popolopen : Forts Clinton and Montgomery, New York, 1775-1777 [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Carr, William H.. Twin forts of the Popolopen : Forts Clinton and Montgomery, New York, 1775-1777. Bear Mountain, N.Y.: Commissioners of the Palisades Interstate Park and the American Scenic and Historic Preservation Society, 1937.