Names
- Rives, William Cabell, 1793-1868.1
- Roosevelt, Theodore, 1858-1919.1
- Rothschild, Lionel Nathan de, Baron, 1808-1879.1
- Rush, Richard, 1780-1859.1
- Saltonstall, Leverett, 1783-1845.1
- Sargent, Winthrop, 1753-1820.1
- Schoolcraft, Henry Rowe, 1793-1864.1
- Scott, Winfield, 1786-1866.1
- Sears, Roebuck and Company.1
- Sedgwick, Theodore, 1811-1859.1
- Selden, Dudley, d. 1855.1
- Seward, William Henry, 1801-1872.1
- Sigourney, Lydia Howard Huntley, 1791-1865.1
- Société des américanistes (France)1
- Société des américanistes de Paris.1
- Southard, Samuel Lewis, 1787-1842.1
- Sparks, Jared, 1789-1866.1
- Spencer, John Canfield, 1788-1855.1
- Spencer, Joseph, 1714-1789.1
- St. Clair, Arthur, 1734-1818.1