This collection consists of correspondence and documents involving Charles H. Branscomb, agent for the New England Emigrant Aid Company in territorial Kansas, dating from 1853-1886. Correspondents or individuals mentioned in the letters include James Gillespie Blaine (1830-1893), Amos Adams Lawrence (1814-1886), Henry Cabot Lodge (1850-1924), Charles Robinson (1818-1894), John Pierce St. John (1835-19140, and Charles Sumner (1811-1874).

This collection consists of microfilmed copies of the official records and correspondence of the New England Emigrant Aid Company, an organization founded to help individuals from the northeastern United States move to the newly opened Kansas territory in order to help the territory become a free state rather than a slaveholding state.