Manuscript of a speech on life peerages by John Campbell : delivered in the House of Lords in the "Wensleydale Case"., 1856., MS.42051. Archive of John Murray, publishers., MSS.40001-43564. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/19942 Accessed September 23, 2024.