License, verbatimUS-PD
The New York Public Library states no known U.S. copyright for this item. Pinax admits it as US-PD only because the work predates 1900, making public domain near-certain worldwide; status outside the U.S. is not asserted and reuse elsewhere is the user's responsibility. Credit: From The New York Public Library.
The plot investigated; or, A circumstantial account of the late horrid attempt of Margaret Nicholson to assassinate the King (London: Mackley, 1786); with tipped-in autograph manuscript petition of Margaret Nicholson to the King's Privy Council, 9 August 1786-1794. 1786 (from title). The New York Public Library.