Receipt for payment for a share of the copyright in `The Strathmore Letters and Narratives`., 1878, MS.30036, folios 72-73. 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/31017 Accessed September 23, 2024.