The Narrative of Mr. John Soren, a native of the United States of America, piratically captured on the high seas, in requital for an act of humanity, in saving a British transport, with near 300 troops on board, from sinking : with an appendix containing the documents referred to in the narrative, a letter from the American minister and testimonials of the truth of the statement from Major Mansergh, the commanding officer of the troops, and Captain Davis.