Good on you, Peter-Keep slugging. Should your primary source for publication not pan out try Pen and Sword. They're located somewhere on the Eastern rim of the Atlantic Ocean. I've found some very good research material on their press from some people whose only claim to fame was a genuine interest in their subject matter.

Regarding images of the U.S.S. Hartford, as well as service history of same search DANFS (Dictionary of American Fighting Ships)

Regards