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