Series I. Cole Family Correspondence contains a wide variety of correspondence associated with Captain Cole. Included are letters between Captain Cole and his wife Sarah, before and after their marriage; letters between John Cole and his daughter, Hattie; letters from Sarah Cole to her mother; and letters to John Cole from his future father-in-law, Thomas Trefry, his brother Richard Cole, his niece Mary Ingalls, and other various miscellaneous correspondents.