Printed Statement of Proceedings at the Sixty-Fourth Half-Yearly General Meeting, Draft for Dividend, and letter concerning the allocation of shares to John Blackwood., 1876, MS.30032, folios 68, 88, 109-110. 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/30516 Accessed September 23, 2024.