Defending the Narrows, The Harbor Defenses of Southern New York. Part I: Muzzleloading Era 1524-1890; Part II: Breechloading Era 1890-1950
Gaines WC. 2008. Defending the Narrows, The Harbor Defenses of Southern New York. Part I: Muzzleloading Era 1524-1890; Part II: Breechloading Era 1890-1950. The Coast Defense Study Group
Two articles from successive issues of The Coast Study Group's quarterly publication The Coast Defense Journal. Part I: Muzzleloading Era, Volume 22 Issue 4 November 2008 Part II: Breechloading Era, Volume 23, Issue 1 February 2009