A Letter to the Most Noble the Marquis of Lansdowne, upon his notion to Discharge the Order, on Thursday 15th March, 1827, for the Consideration of the Catholic Claims. By an Attentive Observer., 1827, Volume: 40. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30336 Accessed January 22, 2025.