The Library – A Collection of Clark Family Letters A collection of hand-written letters from Benjamin Clark to his wife Mary, a native of Boscawen and a member of the Twelfth New Hampshire Regiment. Arlington Heights - October 1862 Arlington Heights - October 7, 1862 Arlington Heights - October 8, 1862 Arlington Heights - October 11, 1862 Arlington Heights - October 12, 1862 Arlington Heights - October 14, 1862 Arlington Heights - October 15, 1862 Arlington Heights - October 15, 1862 - Letter to his daughters Knoxville, Maryland - October 18, 1862