Robertson, John, The Happiness and Prosperity of Great Britain; or a vindication of the British Government from the unjust clamours and unfounded calumnies raised against it by unreasonable men, 1821, Volume: 107. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30885 Accessed April 19, 2025.