Numerous documents relating to the Crapo Family compose the collection, but particularly of Henry H. Crapo and Mary Ann Crapo. Documents include family correspondence, valentines sent by John Orrell to Mary Ann, a handwritten manuscript from 1843 by Mary Ann on why learning is preferable to financial wealth, a 1904 typed manuscript celebrating the life of Henry Crapo, and Civil War-era military passes issued to John Orrell in 1862. Other documents of interest include correspondence from the Cemetery Board of New Bedford, Massachusetts and teaching certificates issued to Mary Ann Crapo from New Bedford in 1852, 1853, and 1856.