Correspondence, construction agreements, charter parties, outfitting documents, accounts, operating expenses, logs, journals, and scrapbooks, relating chiefly to America's Cup races and yachts. Also includes clippings, telegrams, and other items relating to the Lord Dunraven/Charles Iselin controversy. Other topics include the construction, outfitting, and preparation of the COLUMBIA for the 1899 race and the DEFENDER (1895), INTREPID, RELIANCE (1903), and VIGILANT (1893).