Plans for marine instruments and vessels, correspondence, and research of Everett St. John, a twentieth century marine instrument and small craft designer based in southern Connecticut.

Thirty-five daily journals of Samuel A. Beebe (1843-1897) of East Lyme, Connecticut. The journals include details of Beebe's life on shore and on fishing and trading voyages, including cargo, daily catch numbers, location of fishing grounds, and various ports of call along the east coast from Key West to Nova Scotia.