Broughton, John Cam Hobhouse, Baron, A Trifling Mistake in Thomas Lord Erskine’s Recent Preface shortly noticed and respectfully corrected, in a letter to His Lordship by the Author of “Defence of the People”, 1819, Volume: 10. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30108 Accessed April 19, 2025.