Scope and Contents From the Series: Series I. Family Papers contains materials related to the Briggs family. This includes a collection of letters, primarily written by Sarah Elizabeth Cobb Briggs to members of the Briggs and Cobb families. She wrote most frequently to her mother-in-law, Mrs. Sophia Briggs, and to her brother, William Cobb. Most of Sarah's letters were written aboard the ship, giving the impression that she frequently accompanied her husband to sea. There is also correspondence from Briggs himself to his son,...