The Porter family papers consist of letters, literary manuscripts and personal papers of an English literary family from the mid-18th century to the mid-19th century. Two-thirds of the almost 3000 items in the collection consists of the correspondence of the siblings, Sir Robert Ker Porter (1777-1842), Jane Porter (1776-1850), Anna Maria Porter (1778-1832), and other members of the Porter family.

Julius Charles Hare (1795-1855), archdeacon of Lewes in Sussex England, was a scholar, philosopher and theologian. This collection of his papers includes a piece of religious verse and a collection of 9 letters ranging in date from circa 1827 to 1852. Correspondents include the publishers John Taylor (1781-1853) and James Walton, the fine printer Samuel Bentley, the Reverend W. Carus of Trinity College, and Sir Robert Harry Inglis (1786-1855).