Hippisley, John Cox, I Statement of facts presented to the Sovereign Pontiff, P Pius VII, MDCCCXVIII II A letter to the Cardinal Litta, Cardinal-Bishop of Sabinum, and late prefect of the S Congregation of Propaganda Fide, MDCCCXVIII ‘Not Published’, 1818, Volume: 60. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30527 Accessed April 20, 2025.