Originally published Old Saybrook, CT: Konecky & Konecky, 1952. Weigold, Marilyn E. The Long Island Sound: A History of Its People, Places, and Environment. New York: NYU Press, 2004. . External links Library of Congress hosting of the letters written by those involved in the Culper Ring The Culper Spy Ring Spy Networks: The Culper Gang Three Village Historical Society Setauket Spy Ring Web Article Caleb Brewster letter correspondence including with George Washington 1778 in New York (state) 1778 in the United States Defunct United States intelligence agencies George Washington New York (state) in the American Revolution Organizations established in 1778 Spy rings American spies during the American Revolution