Burke, Edmund, A letter from the Right Hon Edmund Burke to His Grace the Duke of Portland, on the conduct of the minority in Parliament, containing fifty-four articles of impeachment against the Right Hon. C.J. Fox. From the original copy, in the possession of the noble Duke., 1797, Volume: 92. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30774 Accessed April 19, 2025.