Memoirs of the northern impostor, or, Prince of swindlers : being a faithful narrative of the adventures and deceptions of James George Semple, commonly called Major Semple alias Harrold, Maxwell, Grant, &c. &c. : with an account of his devices at Lord Salisbury's, Sir Thomas Dundass's, Mr. Pitt's, the Marquis of Landsdown's, Baron Hompesch, Lord Suffield, Sir Sampson Gideon, Dr. Prettyman, &c. &c. : also the various inventions by which he obtained goods of different tradesmen and the names of the persons who were the objects of his depredations : to which is annexed his trial and sentence.