Correspondence, contracts, accounts, legal documents, specifications, and other papers, relating to Lupton's claims against the U.S. Navy Dept. for cost overruns during the building of the gunboat LENAPEE during the Civil War. The claims were later continued by his estate.

Legal briefs (chiefly rough drafts), probate certificates, and powers of attorney, relating to the destruction of the L.A. MACOMBER. Includes copy of rules of the Court of Commissioners of Alabama Claims, together with act organizing the court (1874); correspondence to lawyer Frederick A. Holmes, of Mystic River, Conn., representing the complainants (i.e. owner and crew of vessel) from John Davis, clerk of the court, relating to the cases; and letter giving final disposition of each case.