Typed excerpts (1823-1831) from the letters from William Montague Ferry and his wife Amanda, Protestant missionaries on Mackinac Island, Michigan, to family members in New England, especially those in Ashfield, Massachusetts. Of particular interest are descriptions of the Indians and references to opposition from the Roman Catholic Church. Also included are brief genealogies of the Ferry, Montague, Henry, Hastings, White, and Harwood families.