The Whole Proceedings on the Trial of Indictment Against Thomas Walker of Manchester, Merchant, Samuel Jackson, James Cheetham, Oliver Pearsal, Benjamin Booth, and Joseph Collier, for a Conspiracy to Overthrow the Constitution and Government, and to Aid and Assist the French (being the King's Enemies) in Case They Should Invade this Kingdom: Tried at the Assizes at Lancaster, April 2, 1794, Before the Hon. Mr. Justice Heath, One of the Judges of His Majesty's Court of Common Pleas