Biographical notes and passages, undated, compiled by Elizabeth S Haldane concerning her brother Viscount Haldane., [After 1880]-1937, 1973., MSS.20227-20229. 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/42835 Accessed April 20, 2024.