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Culper Spy Ring. (2) |
Espionage -- New York (State) -- Long Island -- Sources. (2) |
Tallmadge, Benjamin,1754-1835. (2) |
Townsend, Robert,1753-1838. (2) |
United States -- History -- Revolution, 1775-1783 -- Cryptography. (2) |
United States -- History -- Revolution, 1775-1783 -- Secret service -- Sources. (2) |
Washington, George,1732-1799 -- Correspondence. (2) |