Bulk of this collection consists of materials received by Benjamin Franklin Copeland (1798-1863), a Boston merchant and Justice of the Peace for Roxbury, Mass., as Chairman of a Massachusetts political committee promoting the nomination of Daniel Webster for President of the United States in 1851-1852. The most significant items among the papers are letters written by prominent state congressmen, lawyers, and merchants discussing campaign tactics, the growth of the Free Soil Party in Massachusetts, and other political matters. Correspondents include George Ashmun, Alexander Hamilton Bullock, George Ticknor Curtis, Edward Dickinson, Levi Lincoln, and Tappen Wentworth. Also includes petitions gathered from various Mass. towns listing the names of local supporters; lists of delegates selected by the towns to attend a "Webster Convention" held at Boston on November 25, 1851; and notes, memoranda, and receipts.