Hood, Washington. Map of the mouth of the Connecticut River and Saybrook Harbour reduced from the original survey of J.W. Adams, made under the direction of Capt. W.H. Swift U.S.T. Engr., map, 1838; (https://texashistory.unt.edu/ark:/67531/metapth193469/m1/1/: accessed March 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .