Card to William Blackwood concerning engraving of a portrait of General Sir Edward B. Hamley., 1893, MS.30063, folio 199. Papers of William Blackwood and Sons., MSS.30001-30984. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/32850 Accessed September 23, 2024.