Holland, Samuel, and Joseph F. W. (Joseph Frederick Wallet) Des Barres. "A plan of Fort Montgomery & Fort Clinton, taken by His Majesty's forces, under the command of Maj. Genl. Sir Henry Clinton, K:B." Map. London: J.F.W. Des Barres, Esqr., 1779. Norman B. Leventhal Map & Education Center, https://collections.leventhalmap.org/search/commonwealth:z603vv254 (accessed April 23, 2024).