Priestley, Joseph, A letter to the Right Honourable William Pitt, First Lord of the Treasury and Chancellor of the Exchequer, on the subjects of toleration and church establishments; occasioned by his speech against the repeal of the Test and Corporation Acts, on Wednesday the 28th of March, 1787, 1787, Volume: 46. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30400 Accessed April 20, 2025.