Notebook of Richard B Haldane containing the text of the first four and the tenth lecture of a series of twelve lectures given by Haldane, 1881-1882, at the Working Men's College, London, on the history of moral philosophy., 1881-1882., MS.20214. Notebooks and other papers of Richard Burdon Haldane, Viscount Haldane, preceded by correspondence of and papers concerning his mother, Mrs Mary E Haldane and his maternal uncle, Sir John S Burdon-Sanderson, Baronet, and followed by notebooks and other papers of his sister Elizabeth S Haldane., MSS.20208-20229. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/42728 Accessed May 10, 2024.