Costs for the impression of the first six editions of the `Edinburgh Monthly Magazine` and related accounts., 1817., MS.30001, folios 61-62. 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/28401 Accessed September 23, 2024.