'Alastair Buchan, 1894-1917', a box of letters and papers, probably assembled by Walter and Anna Buchan, concerning their brother who was killed near Arras on the Western Front in 1917; including some maps and photographs., 1917-1919., Acc.11627/37. 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/110427 Accessed May 23, 2024.