Letter from [Horatio Walpole, 3rd Earl of Orford], August 25, 1829 (Brussels), Box: 22, Folder: 77. Letters, literary manuscripts, and personal papers of the Porter family, MS 28. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/467033 Accessed January 17, 2025.