Nicholson Documents Manuscript volume [19th century], 'A memento of Margaret Nicholson and her attempted assassination of King George III', comprising printed poems and text, inserted manuscript letters, cartoons, engravings, etc, and including two autograph letters of the King, two autograph petitions of Margaret Nicholson from Bedlam, an account of the attempted assassination, and a facsimile of Shelley and Hogg's 'Posthumous Fragments of Margaret Nicholson'. c19th century