Letters and papers of Olcott. Among the subjects covered are the history of the Bank; banks and politics in New York during the Jacksonian era; the operations of the safety Fund Banking System; land acquisition in the West, particularly Wisconsin, Michigan, Ohio, Illinois, and western New York; the Boston and Albany Railroad; the Corning Land Company; and the building of the Union Pacific Railroad. The papers are divided into the following groups: letters received, including correspondence with Martin Van Buren, Samuel P. Chase, William Henry Seward, William B. Astor, Silas Wright, William Kent, J. Pierpont Morgan, and Horatio Seymour; documents including land deeds, wills, leases, bonds, sureties, orders to pay, checks, bank ledgers, partnership agreements, earnings reports, tax assessments, and land sales; household bills and receipts; bank notes including excellent examples of early American currency; miscellaneous account books, photographs, and printed material; patents for Michigan and Ohio lands to William Thompson, Thomas W. Olcott, and Garrit Denniston signed by Andrew Jackson and Martin Van Buren (proxy signatures).