Abstract U.S. naval officer and inventor of ordnance, of Philadelphia, Pa. 49 letters, including one from Dahlgren's son Ulric, written to Dahlgren's sister, M.M. Dahlgren; a printed poem "Lines suggested by the death of one of the bravest men this war has brought into the service Colonel Ulric Dahlgren."; and mounted newspaper clippings relating to the circumstances of Ulric's death in a raid planned by him, in concert with General Kilpatrick, to release the Union prisoners at Libby Prison and Belle...