Unsigned copy of letter to David Page with his reply and acceptance of terms for publication of an atlas., 1862, MS.30013, folios 48-49. 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/29180 Accessed September 23, 2024.