A charcoal and chalk sketch, undated, of William Buchan entitled 'Uncle Willie at Oxford'; with a photograph, undated, probably of John Buchan, in dress uniform during his service as Assistant Private Secretary to Lord Milner in South Africa, 1901-1903; and a bookplate, undated, for James Walton Buchan, signed by Harold Nelson., [1901-1903], undated., Acc.11627/101. Correspondence and papers of John Buchan, 1st Baron Tweedsmuir, his wife Susan Buchan, Lady Tweedsmuir, his brother James Walter Buchan, and sister, Anna Buchan., Acc.11627/1-120. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/110675 Accessed May 12, 2024.