Subseries D. United States Navy Shipbuilding Papers documents Crowninshield's activities as Inspector of Hulls Building during World War II. The correspondence and memoranda folder contains mostly administrative material regarding submission of time sheets, pay of civilians, travel orders, and gasoline rationing. There is some correspondence pertaining to George Turnquist (Ensign, U.S. Navy) and some material about requests for duplicate ship plans. A copy of the 1942 Navy Day speech by Rear Admiral H. T. Smith, given at the Quincy Chamber of Commerce Hall, is enclosed with a typewritten letter dated December 22, 1942. The 1943-1944 notebook contains notes on inspections of newly built naval vessels, and their trial runs, in addition to a draft letter to the Marblehead Assessors Office concerning Crowninshield's inability to pay real estate taxes.