Abstract This is a collection of correspondence, letterpress and letter copybooks, diaries, ship's outfitting books, invoice book, marine insurance policies, journals, ledgers, wastebooks, deeds, memorandum and petty cashbooks, and other account books, dealing mainly with Morgan's interests in management of whaling ships and contract with U.S. Treasury Dept. to supply whale oil to lighthouses. It also includes material on his investments in western lands (Ohio and Michigan, 1840-1862); papers...