Fort Philip was a fort that existed in 1776, and 1808 to around 1815 in Newburyport, Massachusetts on the northern end of Plum Island, known as Lighthouse Point. It was reinforced in the 1800s, although the site eventually washed away.
- "Massachusetts". American Forts Network. Retrieved 13 August 2013.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
- Heitman, Francis B. (1994). Historical Register And Dictionary Of The United States: 1789-1908 (Reprint. ed.). Baltimore, MD: Genealogical Pub. Co. ISBN 080631401X.<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
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