Lieutenant William Hennah: correspondance.
Lieutenant William Hennah: letter to his brother, 3 Dec 1805, describing the part played by the MARS at the Battle of Trafalgar, with a copy of a letter from the ship's company of the MARS, 24 Oct 1805, and a copy of an Admiralty letter informing Hennah he has been made a Companion of the Bath, 7 September 1831.