Papers of the U.S. Senator (1831-1833); New York State Governor (1833-1838); U.S. Secretary of War under James K. Polk (1845-1849); U.S. Secretary of State under Franklin Pierce (1853-1857). Incoming and outgoing letters concerning a wide variety of subjects such as the establishment of the State Geological Survey (G. W. Boyd, T. A. Conrad, John Delafield, Lardner Vanuxem); the use of volunteers for military service during the 1845-1848 war with Mexico (Silas Wright), the settlement of the New York-New Jersey boundary dispute (Andrew Jackson), the appropriation of public funds (Levi Woodbury, William C. Bouck), and the establishment of a State institution for the mentally handicapped (James B. Richards).