Hippisley, John Cox, Substance of the Speech of Sir John Cox Hippisley, Bart.: on seconding the motion of the Right Honourable Henry Grattan, to refer the petition of the Roman Catholics of Ireland to a committee of the House of Commons, on Friday, the 18th of May, 1810., 1810, Volume: 43. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30365 Accessed April 20, 2025.